Umsebenzi abafundi bethu abawulinganise kahle kakhulu, futhi oyinselelo enkulu kwabaningi - i-strainer drill.
Ngaphansi kokugadwa ngokucophelela, abafundi "bavaleleke" eduze kocingo emanzini agelezayo ukuze balingise ukuthi kunjani ukubanjwa ukuvinjwa emfuleni. Ngisho nasekugelezeni okunensa ngokunengqondo, lo msebenzi ikakhulukazi emanzini abandayo uphuca umfundi amandla futhi bayabona ukuthi kubaluleke kangakanani ukugwema izithiyo (izihlungi) emanzini.
Leli khono bekungelokugcina kwabaningi abayalelwe njengengxenye yohlelo lwezokuphepha kubasebenzi bezikhukhula, bethatha abafundi amahora amane bethiyori, kulandelwe usuku olusebenzayo endaweni efanelekile yomfula.
Lesi sifundo siholwa othisha abangongoti be-PSI abaqeqeshwe ngeziqu ze- I-International Technical Rescue Association, inhlangano yezohwebo engenzi nzuzo kuphela emhlabeni yokuhlenga ubuchwepheshe.
