The city's fire department operates out of three (3) different fire stations. Each station is manned by at least two (2) firefighter-EMT's; and there are two (2) firefighter-paramedics assigned to each shift.
One of these materials - silicon - is making it possible for you to read these words right now! That's because silicon is the essential material in an electronic computer chip. Semiconductor means a material can conduct electricity with a bit of help in the form of added impurities..
We take apart an old desktop computer to show what is valuable. EScrap such as whole computers or individual components from computers contain gold, palladium and other precious materials. Computer circuit boards have gold and other precious metal traces in densities comparable to mined ore. There is enough valuable material to make refinement profitable on even a moderate scale.