Qualm entered English in the 16th century, with meanings like doubt and uneasiness.. Usually a qualm comes from doubt about an action and a feeling that you are doing, or are about to do, something wrong. It isnt a bad feeling about another person's behavior but about your own.
Fluorescent lamps-These have the advantage of higher light efficiency with low heat. This type of lamp is the most widely used for supplemental light. It is available in a variety of colors but cool-white lamps are the most common.
Turning your existing lights and fixtures into energy-efficient LEDs is even easier done than said with LED bulbs! First, determine what bulb type you're replacing. The most common type is the standard or medium base bulb, but we offer LED replacement bulbs for candle/candelabra bases, halogen and more.