Pipeline oil heater ke mofuta oa lisebelisoa tse bolokang matla tse futhumatsang thepa pele, e kentsoeng ka pel'a lisebelisoa tsa thepa ho hlokomela ho futhumatsa ka ho toba ha thepa, e le hore e ka futhumatsoa ka potoloho e phahameng ea mocheso, 'me qetellong e fihlelle sepheo sa ho boloka matla. E sebelisoa haholo pele ho futhumatsa oli e boima, asphalt, oli e hloekileng le oli e 'ngoe ea mafura. Mofuthu oa liphaephe o entsoe ka likarolo tse peli: 'mele le tsamaiso ea taolo. Ntho ea ho futhumatsa e entsoe ka phala ea tšepe e sa hloekang e le sleeve ea tšireletso, terata ea alloy e phahameng ea mocheso, crystalline magnesium oxide powder, e entsoeng ka mokhoa oa compression. Karolo ea taolo e entsoe ka potoloho e tsoetseng pele ea dijithale, trigger e kopantsoeng ea potoloho, thyristor e phahameng ea reverse voltage le litekanyo tse ling tse feto-fetohang tsa mocheso le sistimi e sa fetoheng ea mocheso ho netefatsa ts'ebetso e tloaelehileng ea heater ea motlakase.