tungsten carbide
Mining
what type of vertical rods is it i need definition of it
Halogen gas is in a Tungsten-Halogen Light Bulb.
fu
Tungsten Carbide is made from compounds of Tungsten and Carbon. At the base level, Tungsten Carbide resembles a type of fine dark powder. This powder then made into shapes by being pressed.
Tungsten is not a rock. It is an element. Its atomic number is 74 and abbreviation is W (which stands for Wolfram, its other name)
About 30 billion rods. Google has a neat feature where you can type in: convert 93000000 miles to rods
nonmetals
tungsten
Rods and cones.
Retinosis Pigmentosa
Lead