The effect of gravity is measured.
about 55-66 pounds or 25-30 kilos
Ancient people use to measure things with their hands,feet and fingers..
Protective equipment has become stronger, and are now made of light-weight materials that do not absorb liquids. (perspiration, melted ice/water)
Newtons. Weight is either measured in newtons (cause it is a force) or pounds
An ml is a measure of VOLUME, it does not use any equipment.
The piece of equipment used to measure length is a ruler or a tape measure.
The maximum weight for a person using this equipment is a total of 275 pounds.
You use a spectrophotometer.