If you want to use a power tool to use to help please check the availability of the complete equipment. Prior to implementation, and if enough problems to fix, repair, completely prior to use.
If you want to use power tools to be used to check the availability of the device properly. Before being deployed If enough problems to make a repair prior to use.
If you want to use electric tools to use please check the availability of the equipment is properly before use. And if enough problems to repair it before use.