There is a little in the solder, but typically not much. However they typically do contain gold and other precious metals but not in enough quantity to be worth going after unless you could process a bunch at the same time.
Old computers *should* be recycled. Computers contain many hazardous materials, including mercury and lead, as well as many recyclable metals, such as gold and copper. Motherboards in computers get crushed down to a powder, then heated up to different temperatures to melt off the plastic first, then higher temperatures to melt out the different metals.
Yes. Almost all metal parts of a computer's motherboard and circuitry contain copper.
Alan Turing's experiments in the 1940s were a forerunner of computers. The computers built in the 1970s functioned like today's computers but were much bigger.
None, no computers HAVE to have a CD+RW/CD-RW drive but is is helpful to have one to burn cds and play them. None, no computers HAVE to have a CD+RW/CD-RW drive but is is helpful to have one to burn cds and play them.
ROM chips are found not only in computers; many appliances and even toys contain ROM chips. toys contain ROM chips.
No, tin does not contain lead. Tin is a separate element from lead and does not naturally contain lead in its composition.
No. It doesn't contain lead.
Typically, modern light bulbs do not contain any lead. However, older incandescent bulbs may have used lead solder in their construction. LED and CFL bulbs are considered safe and do not contain lead.
Pure Epsom salts do not contain any lead. Since Epsom salts are magnesium sulfate, they contain only magnesium, sulfur, and oxygen.
Yes, both coal and oil contain small quantities of lead, but not very much- about 1%.
Robots contain one or more embedded computers.
No, stainless steel does not contain lead.
Normally the carpets on your floors do not contain lead.
There isn't an easy way. Modern paints contain no lead. If it is old paint there is a chance it may contain some lead.
No, zinc does not contain lead. Zinc and lead are two different elements with distinct chemical properties.
stuff to process computers.
Crystal glass contain lead.