Ityhubhu yephepha le-crepe yenziwe ngephepha lokugquma ukushwabana kombane ngokucutshungulwa okukhethekileyo, kwaye isetyenziswa ikakhulu kwi-insulation impahla yokusonga yocingo lwangaphakathi lwe-oyile entywiliselwe i-transformer.Isetyenziswa ikakhulu kwiimpompo eziphezulu nezisezantsi kumzimba we-oyile ye-oyile yesiguquli kunye nomkhono wephepha oshwabeneyo othambileyo wokugquma kwangaphandle.Inokuthenjwa okuguquguqukayo kunye nokugoba okugqwesileyo kunye nokugoba kulo naliphi na icala.
