Cases of word usage

1) a collection of things, shown publicly (e.g. of works of art, of commercial or industrial goods for sale etc) (exhibition)

2) (an occasion of) the slowing down of business and industrial activity (recession)

3) the deliberate damaging of machinery, material etc to weaken an opponent's activity during an industrial or political dispute (sabotage)

4) a person with a practical, mechanical or industrial skill (technician)

5) of, concerning, a practical, mechanical or industrial skill (technical)