How big is the potential market for the new CMI cushion-pad product (calculate volume in number of pads)? [Use data in "The Market" section (page 5) to calculate market size]. Based on Sanwal's estimates, he assumes there are 19,500 to 26,000 pile hammers in the industry. Conservatively, we will say there is a total of 19,500 pile hammers which operate about 25 weeks per year and used 30 hours per week. He also assumed 290 million feet of piles were driven annually. Finally, he assumed that set of 6 curled metal pads would drive 10,000 feet