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