I-par kagesi isebenzisa uhlelo lokulawula oluhlelwe yi-PLC, yenza ukuphakelwa kwephepha, ukuthutha bese kusika ngomshini wokusika ngokulawula okuzenzakalelayo nokuhlola okugcwele. Futhi ifakwe iswishi yokuphepha ehlukahlukene engavalwa ngokuzenzakalelayo uma kwenzeka isimo esingalindelekile.