Turcon Variseal W2 is a single acting seal consisting of a U-shaped jacket and a corrosion resistant Slantcoil spring. The Slantcoil spring in the Variseal W2 provides an almost constant load irrespective of hardware tolerances, eccentricity and seal wear.
Radio wave weapon knocks out drone swarms
Probably. A radio-controlled drone cannot be completely shielded to RF, else you´d lose the ability to control it. The fibre optical cable removes...