Final answer:
The built-in rescue function in the form of a winch or hoist that allows for the emergency retrieval of a fallen worker is the Hoist.
Step-by-step explanation:
The built-in rescue function in the form of a winch or hoist that allows for the emergency retrieval of a fallen worker is the Hoist. This equipment is designed to lift or lower a person in situations where they need to be quickly and safely rescued. It can be used in various industries such as construction, firefighting, and search and rescue operations. An example of a hoist would be a rescue hoist used by helicopters to hoist people from perilous situations, such as cliff edges or rooftops.