Common tools are essential instruments used in various tasks, ranging from simple household repairs to complex construction projects. Examples include hammers, screwdrivers, and wrenches, which help in assembling or disassembling objects. These tools can be manual or powered, with each type serving specific functions to make work easier and more efficient. In addition to hand tools, there are also power tools like drills and saws that automate tasks, saving time and effort. Proper use and maintenance of these tools are crucial for safety and effectiveness, ensuring they perform well and last longer in any project.