Observation
there are different measurements different rulers
well in other words it helps them by their work ,and they use the kind of tools.. For example... I guess a thermometer, And other material.
Computers, maps, sonar devices, radar devices, dynamite explosives, and basic laboratory equipments, such as test tubes, microscopes, thermometers, etc.
experient and hypothesis
experient and hypothesis
Tools which have 34401a are digit digital multimeters. These tools are used for bench and system testing. They are very fast and highly accurate with their measurements.
Marine biologist have a large array of technology at their disposal. Some of their tools are as follows: scuba gear, microscopes, satellites, and thermometers.
methanol
centimeters
Mercury thermometers are used to measure body temperature, room temperature, and other temperatures in a variety of settings. However, due to the toxicity of mercury, their use has decreased in favor of digital thermometers.
An estimate is just a guess. A measurement tells you the real number (of whatever kind of measurement you are making).
what kind of tools did the cavemen use.
Tools.
They seem to mostly be woodworking tools.
There is a tool for the iPhone which converts units of measurement. It is used to convert kilometers into miles, pints into gallons, and also measures the different types of weight measurements.
It depends on what kind of tools.
Measurements, weight, etc.