Okokuqala, indlela yokufaka umzila wesikhokelo sedrowa yefenitshala 1. Okokuqala, kufuneka siqonde isakhiwo sentsimbi ye-pulley slideway, eyahlulahlulwe ibe ngamacandelo amathathu: umzila ohambayo, umzila ophakathi kunye nomzila osisigxina. Phakathi kwazo, ikhabhinethi eshukumayo nguloliwe wangaphakathi; Umzila kaloliwe omiselweyo ungaphandle