Special operations forces (SOF) operating in war-zone environments are not regularly welcomed with open arms by their adversaries. In fact, their adversaries provide a variety of obstacles designed to ...

For many welding-related jobs, metal cutting is required before a welding arc is started. Two popular metal-cutting processes to choose from are plasma arc and oxy-fuel. Both systems have advantages ...

To anyone who has seen what water does to a burning match, the idea of using fire to cut steel underwater might seem incomprehensible. But the cutting torches used by the divers working on the new ...