There are two nouns. Teacher and ruler are both nouns. teacher and ruler
metric ruler and balance beam
a piece of paper, and a ruler
The two types of rulers are "ruler" used for measuring length or drawing straight lines, and "ruler" referring to a monarch or a person in authority.
cannot be the president is one
that they should have a ruler king or maides
they both discover things and they both are curious
They both have the rights to vote,freedom of speech,and the press. :)
You can be a Chinese citizen and be of a different ethnic group at the same time. Nationality and ethnicity are two different things.
Two things, both lizards and they can both swim.
It depends what they are measuring. A caliper does better with cylinders and things like that. A ruler does better with a flat distance between two marks.
It sees both of them.