div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: new2 - unepfr · b Alternatives for portable fire extinguishers: Prior to the Montreal Protocol era Halon 1211 was widely used as the most efficient agent for portable fire extinguishers src=https:reader033fdocumentsinreader033viewer20220429195f62e8e5a51573072f564926html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: new2 - unepfr · b Alternatives for portable fire extinguishers: Prior to the Montreal Protocol era Halon 1211 was widely used as the most efficient agent for portable fire extinguishers src=https:reader033fdocumentsinreader033viewer20220429195f62e8e5a51573072f564926html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: new2 - unepfr · b Alternatives for portable fire extinguishers: Prior to the Montreal Protocol era Halon 1211 was widely used as the most efficient agent for portable fire extinguishers src=https:reader033fdocumentsinreader033viewer20220429195f62e8e5a51573072f564926html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: new2 - unepfr · b Alternatives for portable fire extinguishers: Prior to the Montreal Protocol era Halon 1211 was widely used as the most efficient agent for portable fire extinguishers src=https:reader033fdocumentsinreader033viewer20220429195f62e8e5a51573072f564926html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: new2 - unepfr · b Alternatives for portable fire extinguishers: Prior to the Montreal Protocol era Halon 1211 was widely used as the most...