Ngwakọta ọkpọkọ CPVC maka sistemu nchekwa ọkụ Ngwa: Automatic Fire Sprinkler Systems & Water Systems & Chemical Systems ... Atụmatụ: Ọ dị mfe ịwụnye, enyi na enyi gburugburu ebe obibi, ọnụ ala dị ala, obere oge nnyefe Ị chere na ọ tozuru oke itinye n'ọrụ?
Oge nzipu: Ọgọst-29-2022