| Xlibris

43,450원  | 20171116  | 9781543403480

When a red traffic light decides she is the prettiest light of all, the green light announces that she is just as pretty.The red light thinks she is pretty because she is at the top and makes the traffic stop. The green light believes that she is pretty because she makes the traffic go. Meanwhile as the yellow light keeps flashing and she says nothing.

 | Authorhouse

30,580원  | 20170623  | 9781524695484

When Danielle was a little girl, she always wondered how the traffic lights knew when to turn red, yellow, and green as she traveled on the road with her family. If you are as curious as she was, go and slowly read this delightful rhyming book with a friend or two. Next time you are driving with your family, stop and look up at the traffic lights and they just might wave to you.

 | LIGHTNING SOURCE UK LTD

39,130원  | 99991230  | 9781773421018

Enter a world of flying rabbits, blue traffic lights, viking buffets, huckster shrikes, and persimmon chips... a compendium of fascinating facts about the Japanese language, with plenty of weirdness and zero boredom.

 | LAP Lambert Academic Publishing

52,200원  | 20190923  | 9786200318565

The signals order of the standard traffic light is green, yellow/ amber, red, and return to the green signal becomes a cycle. The Norwegian traffic light is more complicated than the standard traffic light. The Norwegian traffic light has one more stage, i.e., red-yellow that lights simultaneously. This state is at the end of the red signal. The modification of the Norwegian traffic light changes the fourth stage into a light yellow color only.

 | LAP Lambert Academic Publishing

72,000원  | 20190617  | 9786200219268

First light signals for controlling traffic were operated manually by the police. The next types were operated on a 'fixed-time' basis by purely mechanical devices. Later developments included linking up a number of local fixed-time controllers with a master controller. The latest and most popular types are the traffic lights that are operated by the passing vehicles themselves by using detectors placed in the roadway. Traffic blocking is a major fact that causes delay to emergency vehicles.