Tlhophiso ea qetello le qetello li-inductors tse thata

1. Sensor e timang sefahleho ka holim’a bolt e lokisang li-valve; 2. Surface quenching sensor holim’a inlet le exhaust valve ends; 3. Surface quenching sensor ka oli nozzle qetellong; 4. Surface quenching kutlo holim’a tšehetso lesale lehlakoreng qetellong sefahleho.