pressure operated deluge valve, designed specifically for advanced fire protection systems, and the latest industry standards. the y- d is activated by a -way solenoid valve, suitable for electric fire detection systems. the optional valve position indicator can include a limit switch suitable for fire & gas...
transportation and the means to manage the risk of crop failures. to achieve sufficient, sustainable increases in agricultural productivity, we will need innovation in large- and small-scale production. science must continue to play a role in improving productivity. the truth is, we can feed the world without...
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