Police officers use breath analyzers to test drivers for the presence of alcohol or other substances. They can tell if a driver is over the legal alcohol limit and therefore a danger to other drivers.
How DO* police officers use geometry obviously you're not smart enough to be anything else.
Depends - some may be trained to however it is not required when entering the police force. Usually when there is an accident, medics respond as well as police officers.
The police use a breathalyser kit.
Guns, tasers, police sticks, walkie talkies, etc.
No-one should "do" police brutality, that's why it's called brutality rather than reasonable force, which is what police officers should use.
the police officers use the so called "miranda doctrine". . .
To heat up fppd.
The teacher had to enforce the school's dress code policy by sending students home who were not in compliance.
It depends on where you are and exactly what you mean. In the U.S. within any given department there are patrol officers, traffic officers, adminstrative officers, Tac team or SWAT officers, supervisors, detectives, etc. Then there are city officers, county officers, state troopers, DEA, FBI, CIA, post office police, school police (some schools use fully commissioned police officers), special ops (tact team, SWAT team, etc).
to keep count of the amount of crimes someone has made
It would depend on the area. Some munies use reserve officers, which are not full-fledged police officers. Other areas, like small towns will hire a citizen to run the jails. Bigger cities normally do use deputies or police officers, depending if the jail is a city or county.
Police officers teach young kids not to smoke tobacco.