20 tausaga le poto masani i lenei fanua
Igoa Oloa: Fa'amama e aunoa ma le fa'amama e le tagata lava ia Rotary Airlock Valve
Fa'aoga: Lelei ma le le lelei le fa'aogaina o le pneumatic transmission system
Mea: E mafai ona faʻavasegaina (Stainless steel or Ductile Iron)