It depends on what is wrong with it.
It is probably aluminum and depending on where and how it broke, it can be heli arced which is welding aluminum.
No, a saw is not a lever.
no
The scroll saw is often called a 'jig-saw' in places other than north America.
The scroll saw is also called a 'Jig-saw' although this term is often used for the sabre saw outside USA.
A scroll saw can do this.
It is useful for cutting detailed curves or patterns on wood. A scroll saw is very similar to a coping saw except it cuts quicker!
it is in the first class lever family.
scroll saw
A see-saw is a fulcrum type of lever.
No, it's a lever.
A see-saw acts (or is an example) as a Lever.