Micrometers
It is necessary because measuring tools help you measure the length of an object accurately.
Rulers? .... :]
What tools would the tailors use in colonial times? They would use scissors, needle and thread and measuring devices, such as rulers, measuring tapes, etc. .
There are many instruments (tools) used for measuring. It depends on what you're measuring. A ruler can be used to measure length, a watch to measure time and an anemometer for measuring wind speed.
Measuring tools: Ruler or Protractor .
car lift; jack
Mechanics use a wide variety of tools to ply their trade. They use cutters, screwdrivers, wrenches, hammers, voltmeters, and other more specialized tools.
Laser measuring tools are easier and quicker to used than rolls of measuring tape. One also does not need to use a pen and pencil to mark measurements.
bob says hey
measuring tape
No devices use for measuring in math. In math we cannot measure we just calculate.
32-1-101 use and care of hand tools and measuring tools