Well, honey, salt can be both countable and uncountable depending on how you're talking about it. If you're referring to individual grains or packets, then it's countable. But if you're talking about it as a general substance or ingredient, then it's uncountable. So, it's like saying "pass me the salt" versus "I need to buy some salt."
Transport is both countable and uncountable as a noun.
The noun 'steel' is an uncountable (mass) noun, a word for a substance.
Countable
The noun 'animal' is a countable noun. The plural form is animals.
Prawn - prawns is the plural - is a countable noun
Transport is both countable and uncountable as a noun.
A sausage is actually a countable noun. The uncountable nouns are usually things too small to count for example salt, sugar and soil.
The noun 'steel' is an uncountable (mass) noun, a word for a substance.
Shark is a countable noun.
countable
Countable
The noun 'daytime' is an uncountable noun.
The noun 'animal' is a countable noun. The plural form is animals.
Prawn - prawns is the plural - is a countable noun
Pasta is a countable noun
Countable
The word 'violence' is an uncountable noun.