Of these, 115 replied and about 75% were found to use such a system.
Extroversion correlated with "bar", while neurotics were found to use the words "awful", "lazy" and, somewhat predictably, "depressing".
The molluscs are the first non-insects found to use such farming methods, reports this week's Proceedings of the National Academy of Sciences USA.
The campaigns were found to use images of health, fitness, stress relief, beauty and slenderness reinforced by tobacco company sponsorship of beauty pageants and sports events like tennis.
Melrose, the transportation commissioner, is hopeful that affordable ways can be found to use contaminated material, possibly in the construction at Mack Point.
But the children are very clear on the consequences and the chain of events if they are found to use racist or homophobic language.
Other companies found to use zero-hours contracts include Buckingham Palace's part-time summer workers, cinema chain Cineworld and the Tate galleries.
"There are so many allegations and so many athletes that have had their championships taken away from them because they were found to use performance enhancing drugs.
Where prisoners are found to use their phones for low risk calls, such as contacting relatives and friends, they could avoid being targeted by the authorities.
And as new ways are found to use radiation in diagnosing and treating injuries and disease, children face an ever-increasing number of radiological procedures.
Children of pre-surgery mothers were found to use insulin less effectively, for instance, and have lover levels of hormones which regulate appetite.
