Argon has a lower glow voltage, argon helps the smaller lamps start at a lower voltage. The larger LPS lamps used in street lighting for the most part do not use argon. 2. LPS Development and Inventors: Low pressure sodium lamps were invented first in 1920 by Arthur H. Compton at Westinghouse.
1. the pleasure felt when having a good time. 2. act of receiving pleasure from something. 3. (law) the exercise of the legal right to enjoy the benefits of owning property. Familiarity information: ENJOYMENT used as a noun is uncommon.
1, Refers to joy regarding the sexual activity of one's partner. Commentary: Not to be confused with compersion, a feeling of joy, the opposite of jealousy, when a loved one invests in and takes pleasure from another romantic or sexual relationship. 2. A sexual practice or fantasy in which people expose their partner, or images of them, to other people for their voyeuristic pleasure.