You can also use them in places where a power source isn t conveniently located. One draw back is the possibility of the battery going dead. Make sure you fully charge it on the power pack before you need it. Some people prefer to have an extra battery if they use their cordless drill often. They keep one in their drill and the other charged for a fast, easy swap. Of these finger injuries, 55% occurred while operating the power tool at home. According to OSHA, a large portion of power tool injuries occur because the power source is not removed while changing parts on the power tool. It doesn t matter how much experience you have with the power tool or how quickly you can change the part. The crosscut saw is used when it is necessary to cut across the grain. A rip saw operates similar to a circular saw but it is smaller. A keyhole saw is used to make curved cuts or to put round holes in paneling and dry wall. Saws are very powerful tools. You should always were safety glasses while operating any type of saw. Take a good look at those features though because you may find a few you could really use that you didn t think of. That will definitely make a particular model more appealing to you. Since most power tools are designed to last a very long time, you want to find out about the availability of replacement parts. The on/off switch being in a location that isn t convenient or easy to get to in the event of an emergency is the most common complaint. With saws, the most common complaint for left handed people is that the blade is on the right hand side which makes it difficult for them to operate. The left handed individual has two choices hold it the wrong way and hope the cut ends up being straight or face it the other way around with the blade coming at you and the materials coming at you. You will want to consider purchasing some of these accessories, especially if you plan to use your power tools often. In some cases, power tools are sold with an accessory kit. This is a great investment as it is often less expensive then purchasing individual accessories. You may not know what accessories you are going to need down the road for a particular power tool.