Is construction a sector to visit or should it be avoided?

The construction industry reminds me, writes Gerald Kelly, of that old argument about aliens from another planet, it goes something like this – there can’t be any advanced aliens on other planets because they would have visited us by now. Ah, a reasonable hypothesis you may think. ... http://talk.build/blogs/15/321/is-construction-a-sector-to-visit-or-should-it-be-avoided