Enwere ike iji ụkpụrụ nchekwa nchekwa coal mebie mebie

Dị ka National Mine Product Safety Mark Center si kwuo, ngwaahịa ndị nwetagoro akara nchekwa ka achọrọ ka emegharịa ọhụrụ mgbe oge nkwado ha gwụchara.

Ọdịda imeghari asambodo ngwaahịa ga-ebute mmebi ya na akpaghị aka. N'ihi ya, A naghị anabata ngwaahịa ndị na-egwuputa ihe nwere akara nchekwa coal kubiela maka ojiji.

Ọ dịkwa mma ịmara na akwụkwọ nchekwa coal a na-atụgharịkarị ka ọ na-akọwa ikike nrụpụta na ogologo oge enyere ndị nrụpụta, kama ịkọwa ikike ojiji nke onye ọrụ njedebe mgbe ịzụrụ ihe. (Maka iwu zuru ezu, ọ dị mma ịkpọtụrụ ngalaba Mechanical na Electrical Science Department.)