Well, it sort of depends on what you're measuring, exactly. If it's distance-based dimension, whether it be height, width, length, wheelbase, etc., a simple tape measure is normally used. For weight, you'd need a truck scale.
meters
A metre.
Kilograms.
tons
tons
It depends on the size of the truck, and it could be more accurate if you measured it in tons.
kilograms because grams are smaller than kilograms.
You normally measure it in tonnes
The easiest way to measure sand in a truck is by weight. A cubic yard of sand weighs approximately 4000 pounds.
When you get the windshield cleaner from the store, you give it to the truck driver by the school. You have to measure it so you use the dog bowl and a cup.
It would be normal to use either meters or feet, but you can use any unit for length (inches, cm, mm, km, etc.)
Generally with a tape measure going across the center line.
Yes