Not all cranes are coloured yellow.
The reason is that yellow stands out. Lets say this crane is near an airport and there is a low flying plane coming in to land, it is easier for the plane to see this crane.
There are other reasons like for design reasons.
I think you'll find that actually, not all cranes are yellow. Other popular colours for cranes include red and white.However, construction vehicles such as rollers, bulldozers and cranes are often yellow as it is the most visible colour. This is important, as these machines can be very dangerous, and it is best that nearby people are aware of them.
yellow - voilet - brown or yellow - voilet - black - black
It is all around you - what colour is it?
Brown black and ground (yellow=green). The brown and black can alco be black and blue and brown and black
application of hydraulic crane
yellow and green
yellow yellow yellow yellow
yellow it was also his favorite colour.
Yellow = Amarillo
Bcs its in yellow colour
It Makes the Colour Orange
Buff is a yellow- brown colour
Yellow
black and yellow
yellow
Yellow
yellow