Sea-going push-tows must be provided with couplings that are capable of absorbing all the forces produced by the movements of the lighters in a seaway.
Izityhali zitsali ezihamba elwandle mazinikwe iindibaniso ezinakho ukuqwalasela onke amandla enziwe ziintshukumo zezikhanyisi kwiindlela zolwandle