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.
In general, when we light during the day and are in daylight mode, we light with HMIs. Other popular daytime 5600K lights are LEDs, fluorescents and softsuns. TUNGSTEN. At night, we turn on our house lights which are made (soon to be past tense) with a tungsten filament. Those lights are extremely orange compared to daylight.