Isikhumba sokwenziwa se-PVC esikhiqizwe i-Bensen asigcini nje ngokushibhile, silula, singenamanzi futhi sinomswakama, kodwa sisetshenziswa kabanzi, ikakhulukazi ukuhlobisa ingaphakathi lemoto.Noma iyiphi iphethini noma umbala owudingayo, i-Bensen ingakunikeza.Sicela usithinte ukuze uthole imininingwane eyengeziwe.