sentence: Different gases make different colors.
sentences_before: A 'neon lamp' is a light bulb that can make many colors when Noble gasses are inside of the bulb. For example, helium would give a light yellow color and neon would make a red or orange color when an electric current is run in the tube. It is normally used to make letters for signs.
sentences_after: Neon Lamps are used to make neon signs.
concept_name: different gas
headings: Neon lamp
categories: Lamps