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Use "guards" in a sentence
"Little innocent children played about in the cabin, and would run to the guards -- the _guards_ of an American steam-boat are an extension of the deck on each side, beyond the paddle boxes, which gives great width for stowage -- now and then, to wonder, in infantine language, at the next boat, or the water, or something else that drew their attention."
"This cutter is supported on what he terms guards, which are attached to the front edge of the platform or cutter-bar (as termed by Hussey), one every three inches the whole width of the machine, projecting horizontally in front about six or eight inches."
"It was, however, interesting to see the tactics used by the guards from the point of view of Max, himself an expert in breaking the human spirit."