The four-legged ungulates are considered so messy and stinky that they're synonymous with slovenliness: Eat too much and you're pigging out.

WSJ: New Yorkers boldly flout law to keep pigs

And as one who doesn't do valve design, drilling bits, precision flow monitoring or pigging equipment, lots of the kit on display at the Offshore Europe exhibition in Aberdeen this week leaves me a bit cold.

BBC: Aberdeen's pipeline of solutions