DIY boiler servicing
Who is he more competent:
The person who understands some of the points required yet has some
"grey areas" in their knowledge - but dives in and "has a go" anyway,
or, the person who in the situation described, asks questions first
until they understand all of the required activities, and then does
the work?
I would say neither are competent to work on gas appliances.
Christian.
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