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.
n. the right to enjoy and use premises (particularly a residence) in peace and without interference. Quiet enjoyment is often a condition included in a lease. Thus, if the landlord interferes with quiet enjoyment, he/she may be sued for breach of contract.