1.Isixhobo senzelwe umthambo okhuselekileyo nosebenzayo.
I-2.I-pad yentloko ejikelezayo ye-flexion, i-flexion kunye ne-lateral flexion ivumela abasebenzisi ukuba bagcine i-posture engcono kakhulu ngexesha lokuzivocavoca.
Inkcazo ye-3.Frame: I-11-gauge yensimbi yentsimbi iqinisekisa eyona nto ilungileyo yesakhiwo.
4.Umphezulu wesakhelo ngasinye uphathwe ngokutshizwa kwe-electrostatic.Ukuqinisekisa ukunamathela kunye nokuqina.