Before using those inexpensive colored clip leads when working on your car, you must do this simple test to see if they are made with fake copper wire.

Electricians are responsible for the installation, maintenance and repair of electrical systems in buildings, including homes, factories, offices and retail stores. They install wiring systems ...

Fine traces of solder were then applied to the FR4 using a modified CNC mill with the hot-end and extruder of a 3D printer added to the quill. Components were soldered to the board in more or less ...