Actually #1 is nail guns.
Power nailers or nail guns: 37,000 emergency room visits/year
John Deere-type Riding Lawn Mowers: 37,000 hospital visits a year
Chain Saws: 36,000 ER visits/year
Stationary Table Saws: 29,000 ER visits/year
Snowblowers: 5,7000 ER Visits per year; 19 deaths recorded...