What could a key be used for?

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A key is a device that is used to operate a lock (to lock or unlock it). A typical key is a small piece of metal consisting of two parts: the bit or blade, which slides into the keyway of the lock and distinguishes between different keys, and the bow, which is left protruding so that torque can be applied by the user.

What can you use a key for?

Read on to unlock new uses.Use as a Plumb Bob. Photo by Ivan Ivanov/Getty Images. ... Turn Them into Hooks. Photo by John Gruen. ... Clean Boot Treads. Photo by Ryan McVay/Getty Images. ... Weigh Down Curtains. Photo by John Gruen. ... Pop a Top. Photo by John Gruen. ... Anchor a Balloon. ... Create a Door Chime. ... Distress Furniture.10 Uses for Keys - This Old House

What can a key open?

Some keys open doors – such as the door to your home, or the door to your car, or the drawer in your desk where you store special things. Some keys can open treasure chests filled with all the things which you consider valuable.

What can u do with old keys?

6 Clever Ways To Reuse Old Unwanted Keys1Give Them Up For Recycling. In today's world, you can give almost anything up for recycling. ... 2Give Them As Gifts. ... 3Sell Them And Make Some Cash. ... 4Use It To Reach Tight Corners. ... 5Use As Zipper. ... 6Use As Screw Driver.Are Keys Recyclable? (And 6 Clever Ways to Reuse Old Keys)

What is the importance of keys?

Keys are a major component of table-level integrity and relationship-level integrity. For instance, they enable you to ensure that a table has unique records and that the fields you use to establish a relationship between a pair of tables always contain matching values. They serve to establish table relationships.

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