Zulite nchekwa kachasị siri ike na-achọ mkpọchi anyị na-anọgide na-anọ na-egbu oge mkpọchi , nke e mere iji merie ọkwa ASI / BHMA Glass 1 Standards maka gburugburu ụlọ ọrụ na okporo ụzọ. Usoro mkpọchi a na-ezochi ngwakọta na-ejikọ arụmọrụ na-agbanwe agbanwe, oke ịdị ogologo, na ndụ nchekwa na otu ngwugwu siri ike.