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A spanner is typically used by a handyman or Professional Tradesman too loosen or tighten certain items. It is also known as a wrench and gives an advantage too grip and tighten rotary fasteners.
They are used to loosen and tighten screws
The screwdriver is used to tighten and loosen screws.
you use a screwdriver
Much like any other type of wrench, a hydraulic torque wrench is used to tighten or loosen fasteners, such as nuts. The difference is that the torque is created by hydraulic means (think pressurized liquid).
A box wrench has a closed end and is used to tighten or loosen nuts or bolts.
Flare nut wrenches are used on fuel lines. Regular sockets are used on head bolts.
Allen wrenches are used to tighten and loosen Allen screws.
it was used to tighten or loosen a screw
The straight screwdriver is used to loosen or tighten screws;
The use of a wrench is to tighten and loosen nuts and bolts.
The screwdriver is used to tighten and loosen many types of screws in many locations. It's an invaluable tool to have.