×
Log in
Get Started
Travel
Technology
Sports
Marketing
Education
Career
Social Media
+ Explore all categories
Report -
ERGONOMICS · 1.2.4 Adjusting the Backrest The lower part of your chair’s backrest (the lumbar support) should support the natural curve of your back. If your backrest is adjustable,
Select
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Please pass captcha verification before submit form