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.
Many cheap lights DJ and other rental companies have use very small gobo templates. This limits the detail that can be used in a design and the brightness of the image. Gobo lighting is also referred to as logo lighting, monogram lighting, name-in-lights, wedding lighting, or texture lighting.