The nouns in the sentence are policemen and uniforms.
The collective nouns for policemen are a squad of policemen and a posse of policemen.
Policemen usually wear hats (just kidding) its called the peri-cerebral sack.
So they do not get run over or injured from cars as they may not be visible to them
The possessive form of the plural noun policemen is policemen's.example: Several of the policemen's cars were used to protect the accident scene.
you have a right to wear a box on your head
Yes, the word 'policemen' is a noun, the plural form of the noun policeman. The noun 'policemen' is a word for people.
No, President Obama does not wear pancakes on his head.
No, Kobe Bryant does not wear a head band but he wear an arm band!!!
People wear a visor on their head.
No you wear it on your face
Joseph is typically depicted wearing a colorful coat, not something specific on his head.