Leaks are present to some extent in all water-distribution systems. This paper proposes a leakage localization method based on pressure measurements and the application of principal component analysis ...

In this video, a welding technique for creating lathe knives for deep threading is revealed, perfect for making threads inside hydraulic pistons. When a lathe knife for screw-making breaks, this ...

Foam Cleaning a dirty Mercedes City Bus. The bus is a 1st generation Mercedes-Benz Citaro.