The drill

Hi! Today we are going to talk about the drill:  
The Drill is a rotary tool to which an element is attached to the one that makes it spin and does the work.The drill have anaccesories calls bits. There is many types os bits for example:

• Wood bit: these are the softest and are used to drill wood and very soft materials. They have a tracer point protruding from the tip of the bit.
•  Wall bit: They are of intermediate hardness and are used for walls. It is usually good to use them with a striker. Are distinguished by the fact that it has the tip of red color and very wide.
•  Metal bit: they are the hardest used for metals and are distinguished from those of wood because they have no tracer point.