The noun 'occupation' is a countable noun as a word for someone's job, livelihood, or career; a word for something that you do in your spare time. The plural form is 'occupations'.
Example: Some people have one occupation and some people have several occupations, changing from one to the next.
The noun 'occupation' is an uncountable noun (mass noun) as a word for the invasion, conquest, and control of a nation or place by a military force or other armed group; a word for the act of living or staying in a building, room, or other place.
Example: The occupation of these buildings by squatters has made them a safety and fire hazard.
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