The “running threads” refered to in the code book are referring to overthreading a piece of conduit to allow installer to run a coupling all the way onto the pipe and then back it off onto another piece of pipe rather than using an erickson or union, whichever it is called in your area.

How do threads work?

Thread. When a process starts, it is assigned memory and resources. Each thread in the process shares that memory and resources. … In multithreaded processes, the process contains more than one thread, and the process is accomplishing a number of things at the same time.

What is thread in programming?

Definition: A thread is a single sequential flow of control within a program. … As a sequential flow of control, a thread must carve out some of its own resources within a running program. For example, a thread must have its own execution stack and program counter.