PAR is an acronym for parabolic aluminized reflector. A PAR lamp, which may utilize either an incandescent filament, a halogen filament tube or a HID arc tube, is a precision pressed-glass reflector lamp. PAR lamps rely on both the internal reflector and prisms in the lens for control of the light beam.
Causes of Red Spots on the Skin. 1  Acne (Pimples) Acne is a localized skin inflammation as a result of overactivity of oil glands at the base of hair follicles. 2  Allergy (Allergies) An allergy refers to a misguided reaction by our immune system in response to bodily contact with certain foreign substances.
How Hot Spots Develop Hot spots are created when your dogâs natural bacteria overpopulates parts of his skin. When an infection arises from a dogâs own bacteria, there is almost always a root cause. Hot spots often occur in dogs with underperforming immune systems. Hot spots can come on very quickly.ow Hot Spots Develop Hot spots are created when your dogâs natural bacteria overpopulates parts of his skin. When an infection arises from a dogâs own bacteria, there is almost always a root cause. Hot spots often occur in dogs with underperforming immune systems. Hot spots can come on very quickly.