Silinda wamafuta a dewar
Kusunga kochepa kochepa kwamitengo yotsika kwambiri
Lumikizanani nafe
Pezani mtengo
Gawana:
M'mbuyomu:
Dewars cylinder tsatanetsatane
Zamkati
mphamvu
1.
2.
3. Mphepo ya botolo ndi yoyera ndipo kuyera kwa mpweya woperekedwa ndi wokwera. Popereka chisamaliro cha mafuta osasunthika. Izi zimawalanda zoopsa zomwe zimayambitsidwa ndi kuipitsidwa pakapita nthawi monga momwe zimakhalira, mayendedwe ndi kugwiritsa ntchito masilini a mpweya.
Kufunsa
Zambiri za Crorgeenic dewar dewark