Other types of ballasts include electronic ballasts, magnetic ballasts, fluorescent ballasts, high intensity discharge (HID) ballasts, and metal halide ballasts. Ballast manufacturers are located ...

The reason submarines are able to do this is thanks to some very important components known as the ballast and trim tanks. These are located throughout the sub at the bow and stern as well as on ...

My team and I have personally tested more than 30 of the best portable power stations - but these are the ones we recommend, wherever you need a reliable power supply. This month, we've re ...