How instruments work

I have done some research on how instruments work

1 How do instruments work?

Instruments creates sound that can vibrates in different places for different types 
Eg column air inside of wing instruments,strings of string instruments and stretched skin of drums. 

2 What kind of equipment get used to make instruments?

String to make sounds, wood, hard plastic and metal .Eg brass - brass metal 

3 how loud can you make an instrument?

Using amplitude and sound waves you can make instruments so loud you can get your ears damaged. Sometimes when you are plucking a string really hard it could make a loud ,also when you press really hard on a piano key it can be very loud. 

4 do instrument makers have special techneques?

Yes they do for different types Eg gutars are made by putting the parts together and then you can add the strings.

5 how long does it take to build instruments? 

It takes a long time but it depends what kind of types. 

I hope you liked my facts !!!