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A spanner is the proper wrench for tightening the swivel end of a fire hose. It provides mechanical advantage to apply torque efficiently. Mechanics use a length of pipe over a wrench handle to increase leverage when dealing with tight bolts.
The proper wrench used to tighten the swivel end of a fire hose is a spanner. A spanner is a tool specifically designed for gripping and turning nuts or bolts efficiently.
In the context of mechanics, a wrench provides mechanical advantage in applying torque to turn a nut. Torque is the rotational equivalent of force, and it is crucial in tasks like tightening bolts securely.
When mechanics encounter very tight bolts, they may use a length of pipe over the handle of a wrench to increase the leverage and apply more torque for easier bolt removal.
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