9- Barrier signs: One unit in autobuses,trucks
and towing vehicle as 150 x 25 cm
Enviroment: Out atmosphere which
effects and effected by people.
Studies which done for
protection of enviroment
Materials which throw to
enviroment as constitude confusion on the enviroment
Enviroment Pollution:Negative progress
which occurs in air water and soil by the acts of human, changes in echological
dBA:Sound evaluation unit
disturbance of the peace and health
1-Reasons of Pollution which
damage the air quality :
a) Fule burning more than
usual in the vehicles not to have maintain.
b) To use dirty fuel
c) Traffic density
d) To drive except necessary
e) To drive in a long time
because of traffic density.
f) To be run needlessly in
parking and stopping
g) Carbon monoxide gas is not
be more than 3,5% idle and 4,5% on the move.
h) Exhaust gases of vehicles
oil and fuel leakages wheel dusts etc.
ı) To overload vehicles drive
fastly open the windows during driving use vehicles needlessly are pollute the