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KUFANELEKWE NJANI IMINI YEGLASWA?
1.ukuvuthela kuhlobo Kukho iindlela ezimbini zokubumba ngesandla kunye noomatshini. Kwinkqubo yokubumba ngesandla, bamba umbhobho wokuvuthela ukuze uthabathe izinto ezivela kwi-crucible okanye ukuvula i-pit holn, kwaye uvuthele kwimilo yesitya kwi-iron mold okanye i-wood mold. Iimveliso ezingqukuva ezigudileyo nge rota...Funda ngokugqithisileyo -
YENZIWA NJANI IGLASS EVUNYIWEYO ?
UMark Ford, umphathi wophuhliso lwemveliso kwi-AFG Industries, Inc., uyacacisa: Iglasi epholileyo yomelele ngokuphindwe kane kuneglasi "eqhelekileyo," okanye i-annealed. Kwaye ngokungafaniyo neglasi efakiweyo, enokuthi iqhekezeke ibe ziingceba ezijijekileyo xa yophukile, iglasi epholileyo ...Funda ngokugqithisileyo
