01 I-back brace yokusekela okhalweni lwezempilo
Lesi sibopho esinqenqemeni sithatha idizayini yentambo yokudonsa, elawula lonke ukhalo nangemuva kwepuleti lokusekela ukuze likhipheke. Isakhiwo sangemuva sihambisana ne-ergonomics ukuze sifinyelele umphumela okhululekile; ngemuva iqukethe iphedi eliwugqinsi elikhiphekayo.