Photo credits

Some photos on this site are shared by their authors under Creative Commons licences. Thank you to:

Soldering a copper pipe joint with a propane torch.: neffk, CC BY 2.0
A plumber at work under a bathroom sink.: ocean yamaha, CC BY 2.0
A plumber at work under a kitchen sink.: Flickr user rick, CC BY 2.0
Copper solder fittings: elbows, a tee, a coupler, an end cap and a reducer.: Torsten Bätge, CC BY-SA 3.0