an angle grinder,nibblers,band saw,circular saw,mitre saw,jig saw, all of these need metal cutting blades as some of them can cut wood aswell depending on the blade
Coating a tool with diamond renders the tool able to cut through its target, because of diamond's hardness, and to cut with precision.
This power tool is used to cut tough wood, it can be used on bare tree wood to turn it into workable wooden planks. It can also be used to cut plastic.
A saw is the tool used to cut wood.
A Jigsaw would be a good power tool to cut along a curved line.
A tool commonly used to cut metal is a saw or a cutting torch.
A wall chaser is a special tool used by construction workers to cut down narrow edges on walls. It is a power tool that is useful when laying electrical cables.
A tool called a "hole saw" is commonly used to cut circles in wood.
A saw is commonly used to cut wood.
tinsnips or power tool called a nibbler or welding/cutting equipment if rather thick metal
A hacksaw is used to cut metals. The blades are easily changeable and come in many tooth sizes. Very hard metals like tool steel need many small teeth, so here you would fit a very hard 32 or 36 tpi blade (teeth per inch). Softer metals can be cut with cheaper blades with teeth of about 12 -16 per inch.
A router is commonly used to cut grooves in wood.
A bread knife.