Dear James: I plan to add a new bathroom, and some old plumbing should also be replaced. I’m not comfortable using a torch and solder, so would plastic plumbing be good? — Laura W. Dear Laura: ...

So, you’ve got your product design pretty much down and selected the materials with the properties the application requires, but some of the plastic parts need to be joined. You may discover that the ...

The last two decades have seen substantial improvements in ultrasonic plastic-welding machines. Bench-top models feature proportional-valve controls, linear encoders, line-voltage regulation, internal ...

Welding is dangerous when not handled properly. Individuals need specific tools to complete these jobs safely. The following safety items are essential for any person who uses a welder. Auto-Darkening ...