The National Traction Engine Trust

Rally and event organisers have a duty of care and should check with all refreshment operators using espresso, latte, and cappuccino type coffee machines that they are safe and comply with all legislation. These machines are pressure systems and sometimes operate at very high pressures! 

Event and rally organisers should satisfy themselves these machines are safe to operate. In September an exploding coffee machine at Farnborough injured five people, see http://www.bbc.co.uk/news/uk-england-hampshire-11302161

20 Dec 2010