Yopangidwira kuteteza katundu wofunika kwambiri pa nyengo yovuta kwambiri. Yabwino kwambiri pa zamagetsi, mankhwala, zida zankhondo, ndi katundu wamtengo wapatali wofunikira chinyezi chokwanira komanso chitetezo cha mphepo panthawi yoyenda kapena kusungidwa panyanja.