Abstract: Though annotations are integral part of symbols in drawings, due attention is yet to be given for their identification, interpretation, and storage. A reconstructed drawing from the vector ...

Well-known industry author and instructor Jim Johnson is offering a new video for technicians who want to sharpen their troubleshooting skills. "This HVAC training video program, is available in DVD ...

Quickly create publication-quality graphics using the same symbol palettes as your favorite manufacturers and textbooks. Symbols are drawn to a 1px grid (coarse grid used for all terminals) with 0.5, ...

Abstract: Cause-consequence Diagram (CCD) is widely used as a deductive safety analysis technique for decision-making at the critical-system design stage. This approach models the causes of subsystem ...

The Diagram Designer project was started in 2003 because I needed a tool to make diagrams for my masters thesis which I was workin on at that time, and I didn't like any of the free tools I could find ...

Electrical and electronic engineering is the branch of engineering that makes use of electricity. Electrical engineering concentrates on systems for generating and transmitting large electrical ...

Unlike most common symbols that you can easily find on your Mac’s keyboard, the ° symbol doesn’t have a dedicated key for it. That means, whenever you want to type the degree symbol on your Mac, you ...

For millennia the phenomenon of lightning has been shrouded in mystery, inspiring much fascination by humans, who for the longest time lived outdoors in the shadows of these cosmic blasts of light.