Woodford, chris (2011/2017) electric kettles retrieved from http://www.explainthatstuff.com/how-electric-kettles-work.html [accessed (insert date here)]. You'll also need to get an industry-recognised qualification like a level 2 or 3 diploma in domestic plumbing and heating you’ll need gas related units at level 3 to work with domestic gas heating systems. We are there when you need us most.
Added: 2020-05-08
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