Device and methods are provided in which a motorized suction device is suctionally mounted to a static surface, and an article supporting portion other than a handle is employed to support one or more articles above the ground. The vacuum is preferably provided by a battery operated electric vacuum pump, and the article supporting portion preferably comprises a shelf, a channel, a magnet, a ring, a hook and loop fastener, or a hook.
A power tool has an electronic distance measuring system that includes a wave source that transmits a wave to an object, and a receiver that receives a reflected wave from the object. A microprocessor is used to calculate a distance based on the transmitted wave and the reflected wave, and display information relating to the distance using an indicator. A reflector can be temporarily attached to a workpiece as needed.