100% ọla kọpa wires maka ezi conductivity.Mpempe akwụkwọ mmụọ pụrụ iche nwere moto dị elu maka oke ikuku.A na-eji ya eme ihe na kichin, ụlọ oriri na ọṅụṅụ na ụlọ nkwakọba ihe wdg, maka ventilashion na mma gburugburu ebe obibi. The casing bụ nke metal na na mpempe shape.The ball bearings hụ na a ogologo ọrụ ndụ (banyere 40 000 awa na-aga n'ihu na-arụ ọrụ).Ndị fan ahụ dakọtara na Ø100, 150 na 200 mm ọwa ikuku.