Molamu o futhumatsang oa motlakase oa tšepe (motlakase o futhumatsang motlakase) ke tšupu ea tšepe e le khetla, 'me lithapo tsa motsoako oa motlakase oa spiral (nickel-chromium, iron-chromium alloy) li ajoa ka mokhoa o ts'oanang haufi le axis e bohareng ea tube. Likheo li tlatsitsoe le ho kopanngoa le phofo ea magnesium oxide e nang le mokelikeli o motle le conductivity ea mocheso. Lipheletso ka bobeli li tiisitsoe ka gel ea silica kapa li-ceramics. Sesebelisoa sena sa tšepe se futhumatsang motlakase se ka sebelisoang haholo ho futhumatsa metsi, oli, moea, tharollo ea nitrate, tharollo ea acid, tharollo ea alkali le tšepe e tlase e qhibilihang (aluminium, zinki, tin, babbitt alloy), E na le melemo ea ho futhumatsa hantle. , mocheso o ts'oanang, ho hanyetsa mocheso o phahameng, ho hanyetsa kutu, le ts'ebetso e ntle ea polokeho.