Carpenters are one of the most versatile construction occupations, with workers usually doing many different tasks.
Electricians install and maintain electrical power, communications, lighting, and control systems in homes, businesses, and factories.
HVAC mechanics and installers work on heating, ventilation, cooling, and refrigeration systems that control the temperature and air quality in buildings.
Plumbers install and repair pipes that carry liquids or gases to and in businesses, homes, and factories.
Sheet Metal workers fabricate or install products that are made from thin metal sheets, such as ducts used for heating and air conditioning.
Sprinkler fitters develop procedures, design and install systems to prevent fires from destroying structures.