manually controlled work

manually controlled work

[′man·yə·lē kən¦trōld ′wərk]
(industrial engineering)
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For hours together we could watch the dolphins and porpoises as they rolled and leaped and dived around the vessel; or those small creatures ever on the wing, the Mother Carey's chickens, which had borne us company from New York bay, and for a whole fortnight fluttered about the vessel's stern.
Four or five Mother Carey's chickens stormed round in circles, shrieking as they swept past the bows.