COVID-19, the disease it causes, surfaced in late 2019, and now had become a full-blown crisis worldwide. Over fifty key countries had declared a national emergency to combat coronavirus. With cases ...

The type of sprinkler system (except deluge) typically depends on the environmental conditions in which the system will be used and the nature of the space being protected. Wet-Pipe Sprinkler System ...

This file type includes high resolution graphics and schematics. Piping systems are often not self-supporting because of routing, length, and weight factors. Weight loads include the weights of pipes, ...