Images:

 

Barley kernel 1. (2010). Retrieved from http://bikeforbeer.org/wp-content/gallery/cache/40__320x240_ba

 

Beer bottle drop pattern. (n.d.). Retrieved from http://hdwyn.com/wallpaper/beer_bottle_drop_pattern_hd-wallpaper-75460.jpg

 

Hops picture. (2014). Retrieved from http://www.brewbeerblog.com/wp-content/uploads/2014/03/Hops-Picture.jpg

 

Temperature Gauge. old style of brewing beer. (n.d.). Retrieved from 

http://www.123rf.com/photo_12125352_temperature-gauge-old-style-of-brewing-beer.html