Mbelata ihe nkwakọ ngwaahịa na imegharịgharị ihe
Anyị na-aṅa ntị na arụmọrụ nke ọrụ nchekwa gburugburu ebe obibi nke ụlọ ọrụ, na-arụsi ọrụ ike na-eme omume enyi na gburugburu ebe obibi na mmepe nke nchekwa akụ, nkwakọ ngwaahịa mbelata na recycling dị ka mmalite, aka na elu na downstream mmekọ, ike ' fechaa, gburugburu ebe obibi nchebe, nchekwa, imegharị ihe' kpụ ọkụ n'ọnụ mmepụta mechiri emechi, kwalite nkwakọ ngwaahịa metal kwupụta direction nke green nkwakọ ', iji nweta ihe mgbaru ọsọ nke carbon green.