Hand operated tool used for applying electrical connectors, namely, a metal piece with a wedge which, when actuated by an explosive cartridge, is driven to terminate an electrical connection

Electrical connectors

Explosive cartridges for use with powder- actuated tools used in the power utility field

maintenance and repair of natural gas products, namely, furnaces, water heaters, humidification systems, air cleaning and air cooling systems, fireplaces, and barbecues

maintenance and repair of natural gas products, namely furnaces, water heaters, humidification systems, air cleaning and air cooling systems, fireplaces, and barbecues

vinyl windows and wood windows