Tp-33 when retrieving a boat at a ramp what should be avoided?

The answer is:

Avoid power loading onto the trailer.

Completing the sentence:

When retrieving a boat at a ramp avoid power loading onto the trailer.

Quick information:

A ramp can refer to many things for example it can be defined as a steep piece of plastic, metal or wood that you can skate on or drive on. Boat Ramps can be found by checking local maps of waterways. 

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