In illustration D011SA below, what does the item labeled number (1) operate?

Correct Answer: Option B — Fleming gear

Fleming gear, often referred to as hand-propelling gear, utilizes a system of levers and rods to drive the lifeboat's propeller. Item (1) in standard lifeboat diagrams typically identifies the handle or mechanism used by the crew to actuate this gear, allowing the boat to be propelled manually without oars.