div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=2013-06-25-gypsum-is-the-ideal-surface-for-a-wall-because-it-has-the-same-ph-valuehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: · 2013-06-25 · Gypsum is the ideal surface for a wall because it has the same PH value and thermal conductivity properties as the human skin Gypsum is made UP of minerals and loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421065e849fb45183582e2d3edfd7html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=2013-06-25-gypsum-is-the-ideal-surface-for-a-wall-because-it-has-the-same-ph-valuehtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: · 2013-06-25 · Gypsum is the ideal surface for a wall because it has the same PH value and thermal conductivity properties as the human skin Gypsum is made UP of minerals and loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421065e849fb45183582e2d3edfd7html5thumbnails2jpg width=140 height=200 divdiv