Mid ka mid ah kontaroolaha xawaaraha isku xirka taabashada, oo loo isticmaalo tuubooyinka pneumatic.Giraanta sii daynta waxay qabataa naqshad labajibbaaran, oo aad u habboon oo ka faa'iidaysanaysa saarista.Xitaa ka dib marka la rakibo, jihada tuubooyinka ayaa loo bedeli karaa si xor ah.Ku habboon tuubooyinka polyurethane ama naylon.