Are you joking: a policeman is a human being, not an (chemical) element (as known in the Periodic Table)
A Hydrogen Ion walks up to a policeman and says, "I think I've lost an electron!" The policeman asks, "Are you sure?" The Hydrogen Ion replies, "I'm positive!"
All plant cells are eukaryotic cells
blood cells, white blood cells, sperm cells, brain cells.
ativated B cells forms effector cells which are called plasma cells
policeman's
A Policeman is a Police Officer that is male.
A posse of policeman
What degree do you need to be a policeman?
Policeman is a noun.
The duration of The Policeman is 1.45 hours.
The Third Policeman was created in 1967.
Policeman Bluejay was created in 1907.
The New Policeman was created in 2005.
The Unfortunate Policeman was created in 1905.
policeman, fireman
The Traffic Policeman was created in 1960.