Pyrophoric scale is a material that can be burnt or ignited spontaneously when in contact with air, if struck or scratched.
A pyrophoric substance (from Greek purophoros, "fire-bearing") will ignite spontaneously.
A linear scale, also called a bar scale, graphic scale, or graphical scale, is a means of visually showing the scale of a map, nautical chart, engineering drawing, or architectural drawing.:))
The scale of the map was too small; it was useless in locating Suzy's house.
Scales is the plural of scale
it is an instrument for measuring a person
A pyrophoric substance (from Greek purophoros, "fire-bearing") will ignite spontaneously.
pyrophoric
Fine powders of hafnium are pyrophoric.
Neptunium is not combustible but pyrophoric as a powder.
Neptunium as a powder is pyrophoric.
Plutonium is pyrophoric as a fine powder.
Plutonium - as fine powders or flakes - can be pyrophoric.
Probably curium in powdered form is pyrophoric.
self heating or pyrophoric materials
self-heating or pyrophoric materials
Uranium is easily oxidized by oxygen.In powdered form is pyrophoric.
Any special precautions; but hafnium as a a fine powder can be pyrophoric.