About: http://webisa.webdatacommons.org/333554528

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Lead-free solder is usually harder and more dense, so I suggest turning up the soldering temperature to 350* F. If you do not have a variable temperature soldering station, I suggest buying another iron that is higher in temperature.
http://www.w3.org/ns/prov#wasQuotedFrom	arduino.cc