Fakaʻilongaʻi: ngaahi moʻoniʻi meʻa ukamea

Ngaahi moʻoniʻi meʻa malie fekauʻaki mo e ukamea

ʻOku angamaheni ʻaki ko e ngaahi naunau fefeka ʻa e ukamea ʻoku ʻiloa ʻoku faingataʻa, ngingila, ʻe lava ke ngofua hono fakaʻaongaʻí, fusible, mo e ductile. ʻI he lelei ʻa e ʻuhilá mo e thermal conductivity, ʻoku ʻaonga ʻa e ukamea ʻi ha ngaahi founga lahi pea ka ne taʻeʻoua kinautolu he ʻikai tatau hotau mamani. Kapau ʻoku ke fie maʻu ke malieʻia ho ngaahi kaungameʻa ʻi ha paati, pea ʻoku nau ʻi he "ukamea," ko ha ngaahi moʻoniʻi meʻa mālie ʻeni… Lau ke lahi ange »

ʻOku Anga Fēfē Hono Maʻu ʻo e Ukamea ʻi Natulá?

ʻOku ʻi ai ʻa e ukamea ʻi he kelekele ʻo e mamani. Fakatatau mo e tuʻunga ʻoku ke ʻi ai ʻi he palanite, kapau te ke keli ʻo kumi ha ʻalaminiume, siliva pe kopa, mahalo te ke maʻu kinautolu. ʻI he angamahení, ʻoku maʻu e ngaahi ukamea haohaoa ko ʻení ʻi he makakoloá ʻoku hoko ʻi he maká. Ko hono fakalea mahinongofua, kapau te ke keli ki he kelekelé pea/pe tānaki ha ngaahi foʻi maka, ʻoku ngalingali te ke maʻu… Lau ke lahi ange »