The cheapest energy is the energy you don’t use
"Approximately one third of motors are equipped with friction belt drives. The performance and efficiency of many belt drives can be improved through...
After renovation the 'Riensluis' sluice (built in 1957) in Lemmer (NL) is put into use again. The old wooden sluice gates were still hand operated. Now the drive of the new steel gates are equipped with ADE electromechanical actuators. Since there are no hydraulics applied, there are fewer risks for the environment.
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