div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: ChT 06014 20 - جامعة تكريتcengtueduiqchedimageslectureschem-lecst3c65 Borosilicate glass Borosilicate glass usuallv contains about 10 to 20% BOOB 80 to silica src=https:reader036fdocumentsfrreader036viewer202207140160ed85a1c1e49930a173f39bhtml5thumbnails1jpg 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: ChT 06014 20 - جامعة تكريتcengtueduiqchedimageslectureschem-lecst3c65 Borosilicate glass Borosilicate glass usuallv contains about 10 to 20% BOOB 80 to silica src=https:reader036fdocumentsfrreader036viewer202207140160ed85a1c1e49930a173f39bhtml5thumbnails2jpg 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: ChT 06014 20 - جامعة تكريتcengtueduiqchedimageslectureschem-lecst3c65 Borosilicate glass Borosilicate glass usuallv contains about 10 to 20% BOOB 80 to silica src=https:reader036fdocumentsfrreader036viewer202207140160ed85a1c1e49930a173f39bhtml5thumbnails3jpg 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: ChT 06014 20 - جامعة تكريتcengtueduiqchedimageslectureschem-lecst3c65 Borosilicate glass Borosilicate glass usuallv contains about 10 to 20% BOOB 80 to silica src=https:reader036fdocumentsfrreader036viewer202207140160ed85a1c1e49930a173f39bhtml5thumbnails4jpg 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: ChT 06014 20 - جامعة تكريتcengtueduiqchedimageslectureschem-lecst3c65 Borosilicate glass Borosilicate glass usuallv contains about 10 to 20% BOOB 80 to silica...