Essential rules for surging are: to surge smoothly, not jerkily, and to keep sufficient control to be able to surge with the maximum safe strain on the hawser.
Imithetho ebalulekileyo yokukhupha ngamandla: ukukhuma ngokugudileyo, hayi ngokuxhuzula, uze ugcine ulawulo olufunekayo ukwenzela ukuba ukwazi ukukhupha nagamandla okunoxinzelelo olukhuselekileyo olufunekayo kwintambo enkulu yentsimbi.