Emva kwentlanganiso emfutshane yevidiyo kunye nomthengi waseJapan, thatha ividiyo kwisiseko sethu sokwenza iglasi yeprofayile ye-U.

Senza kwaye sithumela iimveliso zeglasi yeprofayile ye-iron ephezulu esebenza kakhulu. Ubukhulu becala sijongana neglasi yeprofayili epholileyo ye-U, iglasi yeprofayili eneqabaka ye-U, iglasi yeprofayili ene-tinted U, iglasi yeprofayile ephantsi-E U. Isityalo sine-ISO, i-CE, isatifikethi se-SGCC, iimveliso zihlangabezana nemigangatho ehambelana nehlabathi jikelele. Wamkelekile ukuba uqhagamshelane nathi ngeenkcukacha ezithe vetshe.