I-SA-20EC Umshini ophatheka kalula kagesi wokucwilisa ithuluzi lokugwedla, Lona umshini kagesi wokuhlanganisa. Incane, ayisindi futhi kulula ukuyithwala. Ingasetshenziswa noma yikuphi inqobo nje uma ixhunywe kumthombo wamandla. I-crimping ilawulwa ngokunyathela i-pedal, Umshini wokufaka ugesi we-terminal crimping ungahlonyiswa nge-Dies ozikhethela yona ukuze uthole ukucwiliswa kwe-terminal crimping.