s--p--o--n--i--x wrote:

1. You must be competent. This means that things like jointing pipe, leak
detection,

Squirt copiuos amounts of fairly liquid around the joints and wait for
the bubbles

Wrong. You don't use neat liquid, you a soap solution of water/liquid.


Try neat fairly liquid and see what happens.

Note that many detergents contain salt and can be corrosive, so if using
one make sure you wash it off after.

--
Cheers,

John.

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