Some good places in order to search for and purchase police light bars would be for example "EmergencyCity", "Alibaba", "LightbarLiquidators" and "PoliceOne".
It depends what light bar you are talking about. There are light bars available for trucks that can be mounted and can flash multiple colours. There are also light bars available for buildings that have multiple lights on them, commonly halogen lights. They can be used to light up something in an attractive way.
Ripple bars used to come in a light blue wrapper, with yellow writing.
Police officers giving traffic signals.
It can be used for both lighting and decoration as it is an elegant and nice decoration for homes, bars and restaurants.
Platinum bars are used for transporting bullion. The bars are preferred because they are readily available and there are a number of options available. The bars are produced in grams ranging from 1gram to 1kilo.
A car strobe light is used to get someones attention such as when a police officer is pulling someone over. It is also used to warn of danger or to get out of the way such as when an ambulance is hurrying by.
Yeah. You probably could get a used one though.
An amber light bar can be purchased in many places. It can be bought online at Northern Tool or Grainger or Amazon. Amber light bars are usually used on tow trucks or construction vehicles.
A car strobe light is used to get someones attention such as when a police officer is pulling someone over. It is also used to warn of danger or to get out of the way such as when an ambulance is hurrying by.
Concrete are used without reinforcement bars on concrete roads.
Still rings, uneven bars, high bars, parellel bars, pommel horse and vault.
Coil springs. Leaf Springs. Torsion bars. If you just want ones made of metal.