...It occurs in almost all general feversunless the bowels are involved in local disease, in obstructions of all kinds,from feeding on dry, bulky feed, etc... 
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...This instrument, also intended toremove obstructions from the gullet, has a spring forceps at one end in theplace of the cup-like arrangement at the end of the simple probang...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Theseare well worn paths, smoothed by use, and cleared of obstructions, andthe rat tends to keep to them in its foraging expeditions...
Henry S. Fitch 「Ecological Observations on the Woodrat, Neotoma floridana」
...Lead your prizeaway from obstructions, keep the line taut, and do not nervously hurrythe play...
Charles Bradford 「The Determined Angler and the Brook Trout」
...It was effective for police work, with hand torches forseeing around opaque obstructions...
Raymond King Cummings 「Wandl the Invader」
...might lodge against them, and form dangerous obstructions in the way of craft which might be hereafter used on the river...
David Collins 「An Account of the English Colony in New South Wales, Vol. 1」
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