The noun garbage is an uncountablenoun, a type of noun called an aggregate noun (a word representing an indefinite number of elements or parts). Units of garbage are expressed by quantity or description, for example:
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
uncountable
Uncountable
The gerund painting is a countable noun, as in "There are 12 paintings in this room."
Countable
few is countable
countable
The noun 'steel' is an uncountable (mass) noun, a word for a substance.