The noun 'hair' is an uncountable noun as a word for a substance that grows from human or animal skin.
The noun 'hair' is a count noun as a word for the strands or shafts of this substance.
The plural noun is hairs.
Examples:
"Your hair is a mess!" (uncountable)
"You have cat hairs on your coat." (countable)
Transport is both countable and uncountable as a noun.
countable
uncountable
Uncountable
The gerund painting is a countable noun, as in "There are 12 paintings in this room."
Transport is both countable and uncountable as a noun.
countable
uncountable
Uncountable
uncountable
The gerund painting is a countable noun, as in "There are 12 paintings in this room."
few is countable
countable
Countable
The noun 'steel' is an uncountable (mass) noun, a word for a substance.
he asked me if the word fire wood countable or uncountable?
Pasta is a countable noun