Sefuthumatsi sa ho qoelisoa se sebelisetsoa ho futhumatsa maro, oli, kapa maro a mang a viscous ka kotloloho.Li-heaters tsa ho qoelisoa li kenngoa ka har'a tanka e nang le metsi.Kaha heater e kopana ka ho toba le mokelikeli, ke mokhoa o sebetsang hantle oa ho futhumatsa metsi.Li-heaters tsa ho qoelisoa li ka kenngoa ka mefuta e fapaneng ea likhetho ka tanka ea ho futhumatsa.
