ercury vapor into the tube packaging
The inner glass tube and surface coating with phosphorus or compounds glow.
When you release the power to Steam power is stimulated and the spread of mercury.
Which is a?
Long waves, eyes are not visible and it is dangerous. The radiation thermometer next to the
The subject is the substance released light Wall lamp. The substance bearing the force absorb
Harmful radiation and spread the energy itself is in the form of waves.
With the frequency with which the eyes looking out instead of hot white light called.