Noble(nonreactive) gases like argon
Argon
some noble gases is present inside it
Light bulbs are filled up by Neon or Argon gases, because they are inert.
light bulbs - neon balloons - heilum
Its the wire inside of light bulbs.
yes there is in the spiral energy saving light bulbs there is mercury
inert gases ..like nitrogen or argon
Neon and argon are used in lighting.
To produce something that can be uses
argon or noble gases
Argon and/or nitrogen.
fluorescent