High frequency molunjika msoko welded chitoliro (RW) ndi otentha adagulung'undisa koyilo mbale yopangidwa ndi makina kupanga, ntchito khungu zotsatira ndi moyandikana zotsatira za mkulu pafupipafupi panopa kutentha ndi kusungunula m'mphepete mwa chubu akusowekapo, ndi kuwotcherera kuthamanga pansi zochita za Finyani wodzigudubuza Kuti akwaniritse kupanga.Njira yowotcherera yothamanga kwambiri idagwiritsidwa ntchito popanga mapaipi owotcherera m'ma 1950.M'zaka khumi zapitazi, umisiri wake kupanga wakhala kwambiri wangwiro, ndipo khalidwe mankhwala wakhala mosalekeza bwino.Choyamba ndi chakuti ubwino wa zipangizo zomwe zimagwiritsidwa ntchito popanga ERW zasinthidwa kwambiri.

Kachiwiri, kulamulira basi kompyuta anazindikira mu ndondomeko kupanga lalikulu ndi sing'anga ERW zitsulo chitoliro kupanga kuwotcherera kutentha mankhwala, ndi kutentha athandizira mphamvu pa ndondomeko kuwotcherera mkulu-pafupipafupi ndi bwino ankalamulira ndi kompyuta basi chipukuta misozi dongosolo, kuteteza kuwotcherera kutentha athandizira mphamvu kukhala otsika Chifukwa ozizira kuwotcherera, kuwotcherera pafupifupi ndi kutenthedwa chifukwa cha mkulu kutentha athandizira mphamvu.