The system is connected and synchronized. (Synchronize) systems, traffic control and toll collection system (Toll Collection System) must be carried out to connect
to the main clock signal (Main Master Clock) from the center of the project. To forward them to the The sub-main clock (Sub Master clock) will be installed at the building control,
toll collection. The clock will be synchronized with the clock control to a main control center connected to cables coming into the building. Communication via Fibre Optic Cable of this contract, including design. Main features clocks, watches, small balls (Slave Clock) both with needles and digital.
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