Ezubere ngwaahịa anyị na gburugburu ebe obibi na enweghị ụzọ, Mercury na Cadmium. Anyị na-ebute nkwado ma buru ọrụ maka ihe ọmụmụ anyị.
Ngosipụta ngwaahịa
- 01
- 02
Ngwaahịa anyị nwere oge mwepu ogologo oge, hụ na ị na-enweta ihe kachasị n'aka na ha anaghị efufu ikike ọ bụla.
- 03
Batrm anyị na-aga usoro siri ike gụnyere imewe, usoro nchekwa, na-arụpụta na asambodo. Usoro a na-eso ụkpụrụ batrị siri ike, gụnyere asambodo dịka OA, MSS, ROHS, SGS, BIS, na ISO.