A quick comparison between lead free soldering and 60 / 40 soldering on a printed circuit board or PCB. Each type of solder requires a slightly different method to solder. The viewer will see quickly that it is not to hard to solder with lead free solder if the soldering iron is set up properly. A short discussion about Restrictions of Hazardous Substance or RoHS compliance for lead free soldering. The tutorial is well suited for the electronic / electrical technician, technologist, engineer, trades person, or home hobbyist that has no experience with electronic proto-typing. This video would be especially useful for the person assembling an electronic kit for the first time. Please watch the additional videos using the DMM, other test equipment, and on soldering techniques.