Zovala zagalasi zili ndi zotchinga zabwino, zomwe zingalepheretse kuyipa kwa okosijeni ndi mpweya wina ku zomwe zili mkati mwa mlengalenga kuchokera mumlengalenga;

2.Mboti wagalasi ikhoza kugwiritsidwa ntchito mobwerezabwereza, yomwe imatha kuchepetsa mtengo wa matsamba;

3. Galasi imatha kusintha mosavuta mtundu ndi kuwonekera;

Mabotolo 4.glass ndi otetezeka komanso achidwi, khalani ndi vuto lalikulu la acid, ndipo ndioyenera kukwaniritsa zinthu za acidic (monga momwe masamba amadzimadzi amamwa, etc.).