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Traffic lights, also known as robots in southern Africa (or traffic signals, traffic lamps, signal lights, or semaphores), are a useful resource, consisting of three different coloured cards, for everyday use in classrooms in order to assess. | Traffic lights, also known as robots in southern Africa (or elsewhere as traffic signals, traffic lamps, signal lights, or semaphores), are a useful resource, consisting of three different coloured cards, for everyday use in classrooms in order to assess. | ||
[[Image:LED_Traffic_Light.jpg|thumb]] The name "traffic lights" comes from the fact that traffic lights (or robots) are a piece of equipment designed to control traffic flow. Traffic lights have three lights - red, orange and green. These lights signal to drivers what action they should take on the road with each coloured light having a different meaning associated with it: Red means Stop; Orange means Get Ready and Green means Go. | [[Image:LED_Traffic_Light.jpg|thumb]] The name "traffic lights" comes from the fact that traffic lights (or robots) are a piece of equipment designed to control traffic flow. Traffic lights have three lights - red, orange and green. These lights signal to drivers what action they should take on the road with each coloured light having a different meaning associated with it: Red means Stop; Orange means Get Ready and Green means Go. | ||
