measure by centimeters or millemeters every time
you use it in technology and car care you use the steel ruler for straight lines for wood and plastic and other things.
I use a fine mark steel ruler.
make sure it is hard and use a steel ruler
A ruler made of stainless steel.
Another ruler
A flexible steel rule, spring assisted, that coils to its own case after use
a rule has a different name then a ruler
Accuracy has more to do with the measurement lines on the ruler than the material. In terms of making measurements , however, a steel ruler has several advantages to a plastic ruler of the same accuracy. For starters, steel rulers are often thinner than plastic rulers, positioning the measurement lines closer to the paper. As well as this, many steel rulers feature a backing made of a gripping material such as cork, which keeps the ruler firmly planted while drawing lines and making measurements. Lastly, the measurement lines on steel rulers are frequently embedded into the metal, whereas plastic rulers tend to have the lines painted on. After a while, these marks can be worn away, reducing the accuracy and readability of a plastic ruler.
£3.50 for a steel one
It depends on what the ruler's made out of. A plastic ruler would inevitably weigh less than a steel ruler.
Its principal feature is the start datum or 0 is the end of the ruler, typical use would be measuring the depth of a feature, such as a blind bored hole.
with a ruler