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Innovation in Sprinkler Protection - FG...FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler...
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FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Innovation in Sprinkler Protection
Guy Watson Director of Technical Services EMENA – Reliable Sprinkler
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Agenda:
• LPC Qualified Sprinkler Designer
• Insurance Sprinkler System Surveyor
• Graduate Member Institute of Fire Engineers
• Certificate Member Institute of Risk Engineers
• Global Insurance Risk Engineer
• BAFSA Technical Committee
• EFSN Technical Committee
• Technical Director – Reliable
About Your Presenter…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Why Innovate?
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Why Innovate?
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Why Innovate?
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Why Innovate?
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Why Innovate?
An Unrivaled Legacy - Based on Trust…1880 Factory Mutual specify sprinklers in mills
1883 Stock Insurance discounts sprinklered risks
1886 New England Insurance Exchange special committee meets to prescribe performance requirements & approve devices
1887 Mutual Fire Insurance Corporation of Manchester create first sprinkler rules
1888 Insurance rates of $0.30 per $100 of risk drop to $0.05 per $100 if sprinklered
1897 First edition of NFPA13
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
A Proud History of Innovation…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
• 1921 – Glass Bulbs
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
• 1921 – Glass Bulbs
• 1925 – Grooved Couplings
A Proud History of Innovation…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
• 1921 – Glass Bulbs
• 1925 – Grooved Couplings
• 1950 – Spray Pattern Sprinklers
A Proud History of Innovation…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
• 1921 – Glass Bulbs
• 1925 – Grooved Couplings
• 1950 – Spray Pattern Sprinklers
• 1956 – Pre-Action Systems
A Proud History of Innovation…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
• 1921 – Glass Bulbs
• 1925 – Grooved Couplings
• 1950 – Spray Pattern Sprinklers
• 1956 – Pre-Action Systems
• 1972 – Full Hydraulic Calculations
A Proud History of Innovation…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
• 1921 – Glass Bulbs
• 1925 – Grooved Couplings
• 1950 – Spray Pattern Sprinklers
• 1956 – Pre-Action Systems
• 1972 – Full Hydraulic Calculations
• 1976 – Domestic & Residential Sprinklers
A Proud History of Innovation…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
• 1921 – Glass Bulbs
• 1925 – Grooved Couplings
• 1950 – Spray Pattern Sprinklers
• 1956 – Pre-Action Systems
• 1972 – Full Hydraulic Calculations
• 1976 – Domestic & Residential Sprinklers
• 1979 – Large Drop Sprinklers
A Proud History of Innovation…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
• 1921 – Glass Bulbs
• 1925 – Grooved Couplings
• 1950 – Spray Pattern Sprinklers
• 1956 – Pre-Action Systems
• 1972 – Full Hydraulic Calculations
• 1976 – Domestic & Residential Sprinklers
• 1979 – Large Drop Sprinklers
• 1984 – CPVC Pipe & Fittings
A Proud History of Innovation…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
• 1921 – Glass Bulbs
• 1925 – Grooved Couplings
• 1950 – Spray Pattern Sprinklers
• 1956 – Pre-Action Systems
• 1972 – Full Hydraulic Calculations
• 1976 – Domestic & Residential Sprinklers
• 1979 – Large Drop Sprinklers
• 1984 – CPVC Pipe & Fittings
• 1987 – EC & ESFR Sprinklers
A Proud History of Innovation…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
• 1921 – Glass Bulbs
• 1925 – Grooved Couplings
• 1950 – Spray Pattern Sprinklers
• 1956 – Pre-Action Systems
• 1972 – Full Hydraulic Calculations
• 1976 – Domestic & Residential Sprinklers
• 1979 – Large Drop Sprinklers
• 1984 – CPVC Pipe & Fittings
• 1987 – EC & ESFR Sprinklers
• 2012 – Large Orifice in-Rack Schemes
A Proud History of Innovation…
Innovative Manufacturing – Improving Reliability…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Innovative Manufacturing – Improving Reliability…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Innovative Manufacturing – Improving Reliability…
• Strength Tests: Tensile, Water Hammer &
Endurance
• High Temp Exposure: 800 degree C. then
“quench”
• Low Temp: Freezing
• Moist Ammonia Vapor Exposure: stress
fractures?
• Sensitivity: Response Time Index (RTI)
• Corrosion Tests: Salt spray, sulfur dioxide
& hydrogen sulfide
• Impingement / Lodgment
• Spray Pattern
• Spray Endurance
• Actual Delivered Density
• Crib Testing
• Full Scale Fire Testing
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Innovative Manufacturing – Improving Reliability…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Innovation:Is It Always Progress?..
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
New Innovation? - Questions We Should Ask:
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
New Innovation? - Questions We Should Ask:
Innovate
Don’t
Innovate• Is there a problem here?
• Who benefits?
• Who says it works?
• Technical Support?
• Failure Modes?
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Not Innovating? – Questions We Should Ask:
Don’t
Innovate
Innovate
• Are we aware of the latest research?
• Will existing still work with new hazard / risk?
• Are we sure existing reliability is superior?
• Can we still accept current failure modes?
• Will we become more vulnerable?
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Evaluating Innovations:
• What problem does it solve?
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Evaluating Innovations:
• What problem does it solve?
• Is it better than an existing solution?
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Evaluating Innovations:
• What problem does it solve?
• Is it better than an existing solution?
• Who says it will work?
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
What Problem Does it Solve? Is it better than an existing solution?
Who says it works?
Logistics Industry increasingly favouring Larger & Higher warehouses
Depends who you ask
UL & FM
Example One - ESFR:
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example One - ESFR:
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example One - ESFR:
• Proven by Testing• Preferred by End-Users• Water Supply Enhancements
What Problem Does it Solve? Is it better than an existing solution?
Who says it works?
Logistics Industry increasingly favouring Larger & Higher warehouses
Depends who you ask
UL & FM
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Two – Extended Coverage:
What Problem Does it Solve?
Is it better than an existing solution?
Who says it works?
Reduces Labour Costs Depends who you ask UL & FM & SBF
• Quick Response
• Commonly used for the protection of hotelbedrooms. Overcomes the need forsprinklers and exposed pipework in thecentre of the room
• 1974 - Testing standards for EC sprinklers were proposed by Underwriters Laboratories
• 1987 EC confirmed in NFPA13 as suitable for Ordinary Hazard
• 1994 EC Sprinklers approved by Factory Mutual
• 2009 CEA 4001EC may be used in LH and OH1 hazards
• 2016 SBF120:8 EC Sprinklers used for Light or Ordinary Hazard according to NFPA classification
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Two – Extended Coverage:
= = = ==5.0mm/Min/m2
5.0mm/Min/m2
5.0mm/Min/m2
5.0mm/Min/m2
5.0mm/Min/m2
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Same Amount of Water – Just With Less Heads
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Two – Extended Coverage:
StandardCoverage
ExtendedCoverage
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Two – Extended Coverage:
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Two – Extended Coverage:
= ‘Wasted’ Water
Area protected by Standard
Sprinkler
Area protected by Standard
Sprinkler
Area protected by Standard
Sprinkler
Area protected by Standard
Sprinkler
Area protected by Standard
Sprinkler
Area protected by Extended Coverage Corridor Sprinkler
Area protected by Extended Coverage Corridor Sprinkler
Area protected by Extended Coverage Corridor Sprinkler
Area protected by Extended Coverage Corridor Sprinkler
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Two – Extended Coverage:
Area protected by Standard
Sprinkler
• 39 sprinklers per wing
• x3 wings per floor = 117 sprinklers per floor
• X20 floors = 2340 sprinklers total
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Two – Extended Coverage:
Why Use EC Sprinklers?
• 39 sprinklers per wing
• x3 wings per floor = 117 sprinklers per floor
• X20 floors = 2340 sprinklers total
30% FewerSprinklers!
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
heat release fires)
FHC Flow / Pressure:
• K-factor: 80
• Spacing 3.0m x 4.0m 12.0m2
• Min. Residue Press: 0.78 bar
• Min. Flow per Sprinkler: 70.6 l/min
• Assumed Minimum Area of Operation: 139m2
• Actual Area of Operation (18.0m x 8.0m) 144m2
• 1.2 x √Area Operation 14.4 (OK)
• Theoretical Minimum Flow 847.9 l/min over 139m2
• Number of Sprinklers Operating: 12
• FHC System Pressure: 3.02 bar
• FHC System Flow: 1002 l/min (ok)
1002
l/min @
3.02 bar
50
32
50
25
50
32
50
25
50
32
50
25
65
100
80
8065
65
40
Standard Response
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
FHC Flow / Pressure:
• K-factor: 160
• Spacing 5.5m x 5.5m 30.25m2
• Min. Residue Press: 1.3 bar
• Min. Flow per Sprinkler: 185.5 l/min
• Assumed Minimum Area of Operation: 139m2
• Actual Area of Operation (16.5m x 5.5m) 151.25m2
• 1.2 x √Area Operation 16.5 (OK)
• Theoretical Minimum Flow 847.9 l/min over 139m2
• Number of Sprinklers Operating: 5
• FHC System Pressure: 3.07 bar
• FHC System Flow: 992 l/min (ok)
heat release fires)
992 l/min
@ 3.06
bar
65
50
32
100
80
65
50
32
Extended Coverage
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
FHC Flow / Pressure:
• K-factor: 160
• Spacing 5.5m x 5.5m 30.25m2
• Min. Residue Press: 1.3 bar
• Min. Flow per Sprinkler: 185.5 l/min
• Assumed Minimum Area of Operation: 139m2
• Actual Area of Operation (16.5m x 5.5m) 151.25m2
• 1.2 x √Area Operation 16.5 (OK)
• Theoretical Minimum Flow 847.9 l/min over 139m2
• Number of Sprinklers Operating: 5
• FHC System Pressure: 3.07 bar
• FHC System Flow: 992 l/min (ok)
heat release fires)
992 l/min
@ 3.06
bar
65
50
32
100
80
65
50
32
Extended Coverage
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
• Only 1 LPM & 0.05 Bar Difference in demand
• Similar Mains Sizes• 60% Fewer Sprinklers• Less Clashes
Saving money with Extended Coverage sprinklers
Example Two – Extended Coverage:
Clause 14.2.1 – indicates that EC can be used in OH
EC Sprinklers used in OH1 should be UL-listed for Light or Ordinary Hazard according to NFPA's classification
SBF 120:8
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Two – Extended Coverage:
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Two – Extended Coverage:
What Problem Does it Solve?
Is it better than an existing solution?
Who says it works?
Reduces Labour Costs Depends who you ask UL & FM & SBF
• Proven by Testing• Quicker Installation• Less Cost / More Profit
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Three – Large Orifice In-Rack:
What Problem Does it Solve?
Is it better than an existing solution?
Who says it works?
Reduces Cost Yes FM & NFPA
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Traditional In-Rack:
K80 or K115
Old FM 8-9
New FM 8-9
3.0
m
6.0
m
12.0
m
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
K115
K320
Traditional In-Rack
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Performance Verified by Independent Testing:
New FM 8-9
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
K320 K360
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Three – N252EC In-Rack:
What Problem Does it Solve?
Is it better than an existing solution?
Who says it works?
Provides more optionsSaves water
Yes FM & NFPA
100mm clearance above commodity
50mm deflector distance below beam
Spray Pattern @ 2.07bar
1200mm
aisle width
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Three – N252EC In-Rack:
The Challenge…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Option One
6.1m/9.1m
18.3m/27.3m
12.2m/18.2m
24.4m/36.4m
Option Two…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
NFPA13 Section 25.8.3.
Factory Mutual Datasheet 8-9 Section 2.3.6.8
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Three – Large Orifice In-Rack:
What Problem Does it Solve?
Is it better than an existing solution?
Who says it works?
Reduces Cost Yes FM & NFPA
• Proven by Testing• Quicker Installation• Less Cost / More Profit
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Three – N252EC In-Rack:
• Proven by Testing• Quicker Installation• Less Cost / More Profit
What Problem Does it Solve?
Is it better than an existing solution?
Who says it works?
Provides more optionsSaves water
Yes FM & NFPA
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Four – Tunnel Nozzles:What Problem Does it Solve? Is it better than an
existing solution?Who says it works?
Tunnel fires cause huge disruption to citizens and business as well as loss of life
Yes UL
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Four – Tunnel Nozzles:What Problem Does it Solve? Is it better than an
existing solution?Who says it works?
Tunnel fires cause huge disruption to citizens and business as well as loss of life
Yes UL
• Proven by Testing• Automatically Controls Fires• Deluge Valves Can Be
Remotely Reset
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Five – Electronic Accelerators:
What Problem Does it Solve?
Is it better than an existing solution?
Who says it works?
Allows for larger Dry Installations
Yes UL & FM
7
Anatomy of a Mechanical Accelerator…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
7
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Picture Courtesy of Potter
• Constantly Monitors for a sudden drop in air pressure
• Battery back-up
• Simple maintenance
• Better performance and reliability than mechanical accelerators
Anatomy of an Electronic Accelerator…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Five – Electronic Accelerators:
What Problem Does it Solve?
Is it better than an existing solution?
Who says it works?
Allows for larger Dry Installations
Yes UL & FM
• Up to 4x Faster• More Reliable• Less Complicated
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Six – Nitrogen Systems
What Problem Does it Solve?
Is it better than an existing solution?
Who says it works?
• Virtually Eliminates Corrosion
• Reduces Ice Plugs
Yes NFPA 13
74
Photo courtesy of FM Global
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Nitrogen Bottles
Nitrogen
Generator
- Membrane
Nitrogen Generator
- Pressure Swing
Adsorbsion
7
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Six – Nitrogen Systems
7
New – C100 – 24mm/Min
5yrs – C? – <24mm/Min
8yrs – C? – <<24mm/Min
15yrs – C? – ???mm/Min
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
7
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Example Six – Nitrogen Systems
What Problem Does it Solve?
Is it better than an existing solution?
Who says it works?
• Virtually Eliminates Corrosion
• Reduces Ice Plugs
Yes NFPA 13
• Prolongs System Life• Reduces Impairments• Saves Money• Maximises System Performance
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
If You Don’t Innovate, Others Will…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
If You Don’t Innovate, Others Will…
• Over 1.05 million cubic meters • 35m high x 144m long racking• 117,000 pallet storage spaces• -23o C Temperature Controlled• Over US $100 million to build• Growing Market
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Model D Guards:Saves Time & Money on Installation
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
100%
OXY-REDUCT
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
“Sprinkler system or firefighters - neither one is quick enough…”
“In densely packed warehouses, the extinguishing water can get ‘lost’ amid the racks…”
“Fire in the home is a real problem.
Today’s fire sprinkler systems are not designed for domestic use…”
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
PERCEPTION
REALITY
Some Reasons Given Not to Innovate…
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
• Existing technology has proven to be effective
• We are already successful doing what we do
• If it’s not broke don’t fix it
• Innovation requires investment = £££
• Why risk our legacy?
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
1888 Founded, Pioneered Easy
Film Processing
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
1888 Founded, Pioneered Easy
Film Processing
1970 – 1989 85% Market Share For
Cameras / 90% For Film
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
1888 Founded, Pioneered Easy
Film Processing
1970 – 1989 85% Market Share For
Cameras / 90% For Film
1990 - 2002 Rise of Digital Cameras
Ignored
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
1888 Founded, Pioneered Easy
Film Processing
1970 – 1989 85% Market Share For
Cameras / 90% For Film
1990 - 2002 Rise of Digital Cameras
Ignored
2003 - 2008 Film Exceeded by Digital
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
1888 Founded, Pioneered Easy
Film Processing
1970 – 1989 85% Market Share For
Cameras / 90% For Film
1990 - 2002 Rise of Digital Cameras
Ignored
2003 - 2008 Film Exceeded by Digital
2009 Stopped Making Film
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
1888 Founded, Pioneered Easy
Film Processing
1970 – 1989 85% Market Share For
Cameras / 90% For Film
1990 - 2002 Rise of Digital Cameras
Ignored
2003 - 2008 Film Exceeded by Digital
2009 Stopped Making Film
2012 Bankrupt
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
1888 Founded, Pioneered Easy
Film Processing
First Widely Used Alarm Valve
1970 – 1989 85% Market Share For
Cameras / 90% For Film
Large Drop & ESFR Sprinklers
1990 - 2002 Rise of Digital Cameras
Ignored
Flexible Sprinkler Hoses
2003 - 2008 Film Exceeded by Digital Electronic Accelerators
2009 Stopped Making Film Vertical & Horizontal Barriers
2012 Bankrupt Large Orifice In-Rack
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
1888 Founded, Pioneered Easy
Film Processing Kodak
Invented
The Digital
Camera in
1973!
1970 – 1989 85% Market Share For
Cameras / 90% For Film
1990 - 2002 Rise of Digital Cameras
Ignored
2003 - 2008 Film Exceeded by Digital
2009 Stopped Making Film
2012 Bankrupt
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Innovation:
Evaluatembrace
FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection
Thankyou…