Mmanụ jelii mmanụ (Mmanụ ịnweta, E905a) - glazier, separator, sealer.
E wepụrụ ihe mgbakwunye na ndepụta nke "Ihe mgbakwunye nri maka mmepụta nri" na Sanitary na Epidemiological Rule and Regulations (SanPiN 2.3.2.2364-08) na 2008.
Mmanụ jelii mmanụ (Mmanụ ịnweta, E905a) - glazier, separator, sealer.
E wepụrụ ihe mgbakwunye na ndepụta nke "Ihe mgbakwunye nri maka mmepụta nri" na Sanitary na Epidemiological Rule and Regulations (SanPiN 2.3.2.2364-08) na 2008.
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