0 a small device, usually carried or worn on the body, that vibrates or makes a noise to tell you that someone wants you to phone them --
About 6,000 are single crossings with bleeper sound units, and about 1,000 are staggered crossings.
For example, drivers turn off their reverse bleepers when coming out of side roads, and so on, so as not to cause additional noise.
The other main use of these cells is for the bleepers used in hospital services for calling doctors.
If bleepers are fitted to the cables themselves, that will make a major difference to safety.
It is probably safer for him not to do so, but merely take instructions straight from his bleeper without being confused by facts.
I am also prepared to authorise bleepers at light-controlled junctions where conditions are suitable.
There have been occasions when the bleeper was not being used officially but happened to be in the house.
At the other end it involves telephones and simple bleepers.
