let's not beat about the bush. The UK has severe structural unemployment and immigrants are still flooding in for purely political reasons.
The construction industry is in a severely depressed state, apart from anything else it is drawing much of its labour now via agencies recruiting in Eastern Europe at completely inadequate pay rates. There is a system of registration for plant operators which means that if you haven't got the necessary logbook with the suitable hours filled in, you can't get a job as an operator, full stop.
You won't get a job in a mining context because the general oversupply of labour means that recruitment processes have largely broken down or been abandoned, and word-of-mouth rules.
I gave up trying to make a living in this country years ago and work in the offshore industry. Again, if you can afford to spend around 1500 pounds in training and spend the next two or three years flogging round the agency circuit, spending most of your time out of work networking like crazy, good luck. I did it by chasing up old contacts from the early 80s and it took me about 3 years to make a living at it, although it's paid off in the long run.
People who are young enough with worthwhile skills are fleeing by the plane-load.
it's that simple
''the stopes soared beyond the range of our caplamps' - David Bick...... How times change .... oh, I don't know, I've still got a lamp like that.