Bolt tensioners are devices designed to apply a specific tension to a bolt. The device may be either removed once the actual nut is threaded into place, or left in place, in the case of a hydraulic nut.
The metric system does away with all of the different units of volume used in the English system, and instead, uses only one unit to measure volume. That unit is called the liter. Materials Needed: Meter stick or metric ruler; stiff cardboard such as poster board; scissors or hobby knife; tape.
To measure the volume of an irregular shaped object (a rock or pencil, form example), you would use a graduated cylinder. For a regular shaped object (block, cube) you can use a ruler and measure length, width and height, to use in the formula length x width x height To measure the volume of fluid within the rating. Measuring cup filled to the volume of solids. scale Gradugated cylinder Various tools can be used to measure capacity.