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.
Best Answer: the heat causes vaso-dialation in our capilaries, meaning they open way up. it's an attempt of the body to get blood to the surface of the skin so it can get cooled down. it's a natural response to heat, just like out blood leaves our fingers and toes when it's cold so our core stays warm.