div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentmicrosoft-2019-2-22-20-oxygen-while-weldingindustrial-oxy-gen-consistshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Microsoft · 2019 2 22 · 20% oxygen while weldingindustrial oxy- gen consists of 997% or greater pure oxy- gen Any concentration of oxygen above 235% lowers the ignition loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader036fdocumentsecreader036viewer202207020460f29b16959ff13d2d588f85html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentmicrosoft-2019-2-22-20-oxygen-while-weldingindustrial-oxy-gen-consistshtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Microsoft · 2019 2 22 · 20% oxygen while weldingindustrial oxy- gen consists of 997% or greater pure oxy- gen Any concentration of oxygen above 235% lowers the ignition loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader036fdocumentsecreader036viewer202207020460f29b16959ff13d2d588f85html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentmicrosoft-2019-2-22-20-oxygen-while-weldingindustrial-oxy-gen-consistshtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: Microsoft · 2019 2 22 · 20% oxygen while weldingindustrial oxy- gen consists of 997% or greater pure oxy- gen Any concentration of oxygen above 235% lowers the ignition loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader036fdocumentsecreader036viewer202207020460f29b16959ff13d2d588f85html5thumbnails3jpg...