Provided the cavity in which a leak of gas could cause an explosive mixture is small enough that the energy from that volume of explosive gas is small enough to not do serious damage then the possibility of a leak into that cavity seems to be acceptable.
Thanks for your opinion Dan. Can I pass on on to the Fire Prevention Officer ( retired ) who told me that explosive mixtures in very small cavitities while very un-welcome were a reality in life due to pin hole leaks in low quality copper tubing, leaking joints ( solder and compression ) leaking taps and valves. And occasionally pipes damaged by nails or screws. Of course the small explosive cavity has to have a source of ignition so they very seldom actually explode.
Thanks for your advice Dan, start a course in october is 4 week full time at college spread out over 6 months. Then 2 weeks acs. Anyone no how many jobs il need for my portfolio?
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