The topping lift of a mast derrick is usually led to the masthead, and that of a screen derrick to a point on the superstructure directly above the heel of the derrick; the guys are led to positions on deck near the ship's side and well before and abaft the heel.
Isinyusi esiphakamisayo semasti yesilenge ikhokelwa kwintloko yemasti nakuleyo yesilenge esikhuselayo ukuya endaweni kwisakhiwo esiphezu kwesinye kanye ngokuthe ngqo ngaphezulu koqethukiso lwesilenge; izibopheleli zikhokelelwa kwiindawo emgangathweni ngakwicala lenqanawa kunye nangaphezulu nangaphambili koqethukiso.