In last month’s column [“Automatic Pumpdown Systems,” Nov. 5], we talked in general about the automatic pumpdown cycle and why it is the only sure remedy for refrigerant migration to a compressor ...

Remember that automatic control systems are automatic in operation, but not self-repairing. Unless a building has a service contract with a reputable controls contractor to inspect and calibrate the ...

Almost continuously, someone in the world dies from a traffic accident; countless more suffer injuries. Moreover, the economic losses caused by traffic accidents are reaching astronomical proportions.

Alstom will supply an on-board automatic train control system for Line 8 of the Paris Metro as part of a wider modernisation programme.