تماشای ویدئو Test of Breath for Sivaper insulating Perlite Plaster از آی-ویدئو

This is video of breath test of sivaper perlite insulation plaster we put 4 cm thickness of sivaper plaster in test tube and we will see an air if it access perlite plaster YALITIM YALITIM SIVASI HAFİF ŞAP PERLİTLİ SIVA İZOLASYON MANTOLAMA the picture will be clear by water in the tube
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