An estimated one in 2,000 babies is born with all or part of a limb missing. This number includes everything from a missing part of a finger to the absence of both arms and both legs. Congenital amputation is the least common form of amputation. There have been occasional periods in history where the frequency of congenital amputations has increased.
Leading general contractors, architects and building managers rely on Design HVAC for its design/build expertise in HVAC systems, cooling systems, temperature control, process piping and air quality systems.
Glossary of HVAC terms. (Redirected from Glossary of HVAC) HVAC (heating, ventilation, and air conditioning) is a major subdiscipline of mechanical engineering. The goal of HVAC design is to balance indoor environmental comfort with other factors such as installation cost, ease of maintenance, and energy efficiency.