Cranes and derricks installed on floating surfaces must have a ____

Question:- Cranes and derricks installed on floating surfaces must have a ____

Answer

Derricks and cranes placed on the floating platforms should be equipped with a safety system that would stop them from tipping over or capsizing because of such platforms instability. Cranes must have counterweights for it, while derricks can rely on outriggers. The term that fits there might be some form of stabilizing or ballasting system which is aimed at the anchoring of the crane in the water