Umshini weshidi le-PET unezici zamandla aphezulu, ukumelana nokushisa okuhle, ukuqina okuhle, isiphetho esiphezulu, nokucubungula kwesibili okulula.Ingagcwaliswa, iqiniswe, iqiniswe, iqiniswe, ibambezele amalangabi, ilungiswe, futhi indawo engaphezulu ingaqoshwa futhi ibe nesithwathwa.