Παράδειγμα:
Using his ruler, Michael figured out that his new computer was shorter and narrower than his favourite comic book. 
The Noun Project
Photo license:
CC: Απόδοση, Εμπορική χρήση
Regionalism:
Neutral
Regional variant:
Neutral
Full Expression:
Scientific Instruments: ruler
a straight piece of plastic, wood or metal that is used when measuring things