KGG Ball na-eme ka mgbanaka dị elu, mgbanaka dị n'ime, na nkwụnye nke rollers na spacers. Na-enwe ike ikwu eziokwu na-agbanwe agbanwe nke nwere ike ịnwe ibu na-ebu ibu n'ụzọ niile. N'ihi na o nwere usoro cylindrical hazie, ọ nwere ike iburu ibu n'ụzọ niile. KGG na-enye ụdị anụ ahụ abụọ: bọọlụ na-acha odo odo na bọl kọntaktị.
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Miri emi
A na-ejikarị broove bọọdụ ahụ n'ọtụtụ ụlọ ọrụ ọtụtụ iri afọ. A na-ehibe uzo miri emi na aka nke ihe dikwa n'ime ihe na-enyere ha aka idi ibu nke radial na nke axial ma obu nke ha. Ka ndị na-eduga na bọọlụ dị omimi na-arụ ọrụ, ụlọ ọrụ na-enwe ọtụtụ ahụmịhe n'ichepụta ma na-ewepụta ụdị ịmịpụta.
