div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader043vdocumentsusreader043viewer20220310005b81612a7f8b9ae87c8c2eaehtml5page1jpg target=_blank img data-url=18-14pdf-while-they-have-many-valuable-uses-they-have-been-shown-to-be-htmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: valverdesciencepbworkscomvalverdesciencepbworkscomwfilefetch858949489 18 14pdf · While they have many valuable uses they have been shown to be for Freons went into loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentsusreader043viewer20220310005b81612a7f8b9ae87c8c2eaehtml5thumbnails1jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader043vdocumentsusreader043viewer20220310005b81612a7f8b9ae87c8c2eaehtml5page2jpg target=_blank img data-url=18-14pdf-while-they-have-many-valuable-uses-they-have-been-shown-to-be-htmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: valverdesciencepbworkscomvalverdesciencepbworkscomwfilefetch858949489 18 14pdf · While they have many valuable uses they have been shown to be for Freons went into loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentsusreader043viewer20220310005b81612a7f8b9ae87c8c2eaehtml5thumbnails2jpg width=140 height=200 adivdiv