A fire marshal, in the United States and Canada, is often a member of a fire department but may be part of a building department or a separate department altogether.
An average human red blood cell is approximately 5 microns in diameter. The average diameter of human hair is roughly 0.0035 inches in diameter, which is equivalent to 75 microns. The abbreviation micron was initially used to distinguish the units of a tool used to measure small distances, also called a micrometer.
There are 3.9370078740157E-5 inches in a micrometer. 1 Micrometer is equal to 3.9370078740157E-5 Inches. 1 um = 3.9370078740157E-5 in. A micrometer, or micron, is a unit of length sometimes used in SI as a 1Ã10â6 of a meter. This is a quite specific measurement unit used in science (i.e. for measuring various types of wavelength, etc.) or in industrial technology.