depends how you use it, you can use it to fix something, build something, even dentist use them!
All screws are used as simple machines.
A screwdriver is used to turn screws in or out.
Screws are used to hold certain things together.
Metals are used for the production of screws as they are materials with high hardness and resistance to stress.
Screws were not used to build the wall. They weren’t invented yet.
They are used to loosen and tighten screws
yip
The toe bone itself is surgically shifted during surgery and screws are used to hold the bone in place after.
A surgeon will often use screws to secure the cup into the acetabulum.
The screwdriver is used to tighten and loosen screws.
Screws belong to the family of mechanical components known as fasteners. They are used to attach things to the bike. Screws are typically used to attache fenders, some brakes, reflectors etc.
You do not need special bolts. Standard bolts and screws, as long as they are the correct size, can be used.