The best color laser printers are a great investment that can save you time and money compared to cartridge-based inkjet printers. Laser printers use toner, which lasts a long time, delivering a ...

Based on 32 groups of laser-arc hybrid welding experiments, the BP (Back Propagation) neural network is used to establish the prediction model between the input parameters (welding current, laser ...

Even when automated, laser cutting requires operator skill. If workers don’t know the fundamentals, a sheet metal fabrication shop’s most expensive machine can sit idle longer than it should.

Here we look at a collection of PDF apps that are either completely free, or have a free trial version with a lot of the necessary functionality for a one-off PDF editing requirement. Some of ...