1.   She tested a couple aluminum bats as the equipment was loaded into trucks.

2.   Somebody had procured an aluminum bat, and the traditional thwack surrendered to a whistling hum.

3.   Aluminum bats are now prohibited.

4.   Aluminum bats are used by millions of baseball and softball players in amateur leagues worldwide.

5.   Aluminum bats are used.

6.   Although major league players still use traditional wooden bats, most amateur athletes have switched to aluminum bats because they are cheaper and more durable.

7.   Aluminum bats and the designated hitter are allowed for the first time in college baseball.

8.   Aluminum bats, whose longevity makes them popular in recreation leagues, have had a dramatic impact upon the market.

9.   Aluminum bats also have a greater hitting area, usually called the sweet spot.

10.   Aluminum bats simply do not come apart.