Clearance lights
Cab lights. Wrong.... Marker lights
Very top is ABS, next two down are marker lights, next two down from that are flashers/turn signals, bottom is brake lights, center is ground.
Brake lights and tail lights. (Unless you have a spotter telling you of course)
Clearance lights are common on Semi-trailers and taller vehicles. What they are are lights at the top of a vehicle that marks the outline so you can make sure you can clear an obstacle. For example: Look at a big truck going down the freeway at night, see those lights at the top of his trailer? those are clearance lights. These mark out the outline of a vehicle so you can see them and so the driver can make sure if he is going under something he will clear it.
In the United States, red buoys have red lights, and are even numbered. If the are unlit they are in the shape of a semi-cone and are called "nun" buoys. The day markers are red triangles.
Because when this occurs the Northern Hemisphere's sky (top part of the earth) displays a very colourful attraction (lights)
A convex moulding on a cornice is called a TORUS if it is semi-circular or an OVOLO if its not. When combined with a concave moulding it is called a CYMA where the concave is at the top or a OGEE where the convex is at the top.
Yes.
The difference between flush and semi-flush mounted ceiling lights is that one of them can be mounted on the ceiling and the other one can be mounted elsewhere.
The orange lights on top of the street lights in NYC indicate fire alarm boxes.
Currently, commercial semi trailer trucks are not required to have any emergency lights. However, it is wise to have them to avoid accidents, which could lead to charges against you.
Semi = half