Model GB 4-tandem (2/6-tandem) igwe anaghị agba nchara okpomọkụ na-achịkwa colormetric drum nwere anọ, abụọ ma ọ bụ isii obere igwe anaghị agba nchara, nke niile bụ otu ụdị ka anọ, abụọ ma ọ bụ isii ule nwere ike rụrụ na oge, si otú a na-enweta nsonaazụ kacha mma .Equipped with interlayer kpo oku na okpomọkụ njikwa usoro, okpomọkụ nwere ike ịchịkwa na uche izute nhazi chọrọ.The akụrụngwa nwere oge ọrụ nke ịchịkwa ngụkọta oge okirikiri ọrụ , n'ihu & backward rotation duration. Enwere ike ịhazi ngwa ngwa drum dabere na usoro a chọrọ. A na-eme windo nleba anya zuru oke nke iko siri ike ka ọnọdụ ọrụ nke akpụkpọ anụ dị na drum wee pụta ìhè na nlele. drums site na usoro njigide. Enwere ike inye mmiri ma ọ bụ akpụkpọ anụ n'ime ụgbụ ahụ n'oge a na-arụ ọrụ site na ntinye usoro. Ngwá ọrụ dị mma karịsịa maka iji tụnyere ule nke akpụkpọ anụ dị iche iche na obere ogbe na ụdị akpụkpọ anụ.
Ngwá ọrụ dị mkpa nke a na-ejikarị eme ihe n'ebe a na-asa ákwà, ịgbà osisi nwere nnukwu osisi nwere nnukwu osisi ma ọ bụ mbadamba akpụkpọ anụ. Enwere ike ịhazi akpụkpọ anụ n'otu oge n'ime batches n'ime drum. Mgbe gia na-emegharị ya ka ọ gbanwee, a na-edobe akpụkpọ anụ dị na drum na-aga n'ihu na-ehulata, ịgbatị, ịkụ aka, na-akpali akpali na omume ndị ọzọ na-arụ ọrụ, nke na-eme ka usoro mmeghachi omume nke kemịkal na-agbanwe ma gbanwee ọdịdị anụ ahụ nke akpụkpọ anụ ahụ. Ngwa ngwa nke drum na-ekpuchi ọtụtụ n'ime usoro nhazi mmiri nke tanning, yana nro dị nro na ịchafụ, wdg.
