17 results found that include 54 products. Find a variety of high-quality air hammer options at Grainger. General-duty and industrial-grade air hammers can help provide fast and easy metal forging and fabricating. These pneumatic tools use compressed air to help drive into a workpiece to help shape, mark or smooth it. Choose a rugged air chipping hammer to help break up concrete.
besieging - the action of an armed force that surrounds a fortified place and isolates it while continuing to attack. beleaguering, military blockade, siege. blockade, encirclement - a war measure that isolates some area of importance to the enemy.
Cramming (education) A young boy does some last minute cramming while walking to school with his sister. In education, cramming (also known as mugging or swotting, from swot, akin to sweat, meaning to study with determination) is the practice of working intensively to absorb large volumes of informational material in short amounts of time.