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src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentspubreader033viewer20220414135e1963a8ad78ae2518233093html5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=35-khi-tip-xc-trn-50-dien-tch-co-th-ngul-70-khi-tip-xc-trn-25htmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: · 35 khi tiép xúc trên 50% dien tích co thé nguðl 70 khi tiép xúc trên 25% dén 50% dien tích co thé ngwði 100 khi tiép xúc dwði 25% diên tích co thé ngwði loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentspubreader033viewer20220414135e1963a8ad78ae2518233093html5thumbnails6jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imageimg 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src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentspubreader033viewer20220414135e1963a8ad78ae2518233093html5thumbnails8jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imageimg data-url=35-khi-tip-xc-trn-50-dien-tch-co-th-ngul-70-khi-tip-xc-trn-25htmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: · 35 khi tiép xúc trên 50% dien tích co thé nguðl 70 khi tiép xúc trên 25% dén 50% dien tích co thé ngwði 100 khi tiép xúc dwði 25% diên tích co thé ngwði loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentspubreader033viewer20220414135e1963a8ad78ae2518233093html5thumbnails9jpg width=140 height=200 divdiv
