21.   In addition to making mining equipment, Joy is a supplier of air-pollution and ash-handling equipment for electric utilities and other industrial operations.

22.   Ingersoll, based in Woodcliff Lake, N.J., makes air compressors, vacuum pumps, mining equipment and other industrial machines.

23.   Its industrial units include iron, steel and engineering, pulp and paper, chemicals, mining equipment, food and agriculture, motor manufacturing and electronics.

24.   Orders for communications equipment, and construction and mining equipment also increased sharply.

25.   Peoria, Illinois-based Caterpillar makes construction, earthmoving and mining equipment.

26.   Releases or spills of oil, grease and hydraulic fluids from mining equipment also could pollute the swamp.

27.   Robert Arena, a mining equipment salesman, came from Price, Utah, to learn more about options trading.

28.   Sales of coal mining equipment like large trucks, shovels and mobile power generators are soaring because of a resurgence in demand for coal-powered electricity.

29.   Ruzdija Sestovic took charge of the maintenance of mining equipment, married a local Muslim woman and had children.

30.   So they began ELF, which for a while did little more than encourage people to celebrate Halloween by vandalizing bulldozers and mining equipment.