Water shortage is considered as a major problem worldwide. Moreover, the adverse effects of climate change would make issue worse. Most classical dental facilities had inappropriate water consumption practices. Green dentistry an innovative approach to procedure that environmentally sustainable while also saving money and time by minimizing waste, conserving energy, lowering pollution through u...

The method for determining the dynamic parameter of main element water saving system and supply water, gas generator, has been developed. Expanding orienting to selection in algorithm controlling technical station supplying which is its own place, storage fire prevention. based on a mathematical description amplitude-frequency characteristics generator which, an obvious way, there functional fa...

Since fuel prices account for approximately 40% of a ship’s operating costs, shipping companies worldwide have made significant efforts to save energy on board such as introducing new technologies or machine operation methods. Many ship operators adopted an advanced control system using variable-speed pump and/or optimizing three-way valve the outlet side central cooling system. It is often con...