例句與造句

1. By the age of 21, he was a driller, tool dresser, and small producer, having purchased two oil leases in Venango County, Pennsylvania.
2. The following year, Fisher, his father, and a friend drove a Ford Model T to California's San Joaquin Valley, . where he worked as a fruit-picker and a cable and tool dresser in oil fields.
3. It's difficult to find tool dresser in a sentence. 用tool dresser造句挺難的