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It depends on the type of ruler you are using. Depends if you are using a just metric unit ruler or if you are using a yard/meter stick. The measurements should be written along the edge of the ruler.
Make sure you are using the correct SI unit on the ruler.
a ruler using centimetres as the mesurement
please give me the answer of sources of error in person perception
You cannot. You cannot ensure the lines are strictly parallel using only a ruler.
Just do your best.
I'm going to minimize this screen.
It can minimize the seriousness of something
Minimize it.
It depends on the type of ruler you are using. Depends if you are using a just metric unit ruler or if you are using a yard/meter stick. The measurements should be written along the edge of the ruler.
by using a ruler and a compass
Make sure you are using the correct SI unit on the ruler.
a ruler using centimetres as the mesurement
You cannot measure an angle using a ruler.
To minimize the damage, we should:plant more treesAvoid using CFC's.
Using a traveling steady will minimize vibration or chattering.
Special journal is prepared to save time and minimize the errors.