This amplifies the higher frequencies in your voice. The gas sulfur hexafluoride works in the opposite way. The following is a transcript of the video. It’s a classic party trick- suck down a ...

The Saudi Electricity Company (SEC) signed a memorandum of understanding (MoU) with Hitachi Energy to adopt advanced technology for electrical switches and circuit breakers that are free from sulfur ...

Saudi Electricity Company has announced that it has signed a MoU with Hitachi Energy to adopt advanced technology for ...