Keep a firm grip on it but the sanders should be able to move freely. Some sanders offer a warning light that tells you when you are using too much pressure. A belt sander, just as the name implies, uses a belt to remove the materials. The handles are designed to help you manipulate the power tool without too much pressure on your part. I understand that not all work areas are under the best of circumstances. Be cautious and use common sense. Manufacturers of power tools are very aware of the types of accidents and injuries that take place with power tools. They strive to make improvements on their power tools to help reduce the risk. Since the reasoning behind purchasing a power nailer is to give you the ability to put in large quantities of nails in a short amount of time, it should be easier to control. You want to select a power nailer that fits well in your hands and has a good fit. A heavy power nailer can be difficult to operate for long periods of time. It also depends on the types of materials you are working with such as concrete, metal, plastic, and wood. Do you want a drill that is fast or one that offers a great deal of torque? Maybe you need a drill that offers both for a heavy duty job? It is a good idea to evaluate what you plan to do with a drill both now and in the future before you make this decision. The Bosch heat gun offers several temperatures as well as two speeds. You can get a Bosh heat gun in several sizes. There are also various accessories available to fit your particular project. These accessories include the heat gun blower, spreader, and reflector. The Bosch foam rubber cutter is an excellent specialty tool that is designed to easily cut through foam rubber and flexible foams. 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. That can keep you from purchasing the power tool kit with accessories, then you may wish you had them down the road.