Nke a bụ nke anyị imewe akpaka scoop nri igwe nwere ike jikọtara na ndị ọzọ igwe na ntụ ntụ mmepụta akara. Ejiri ya na scoop na-ama jijiji, nhazi scoop akpaka, nchọpụta scoop, enweghị mkpọ enweghị sistemụ. Oriri ike dị ala, nnukwu scoop na imewe dị mfe. Ọnọdụ na-arụ ọrụ: igwe na-eme mkpọtụ na-eme mkpọtụ, igwe na-enye nri pneumatic.
