Swiss fishing industry
... that perch became a major product of the Swiss fishing industry in the mid–20th century after a fisherman found that an industrial potato peeler made two perfect filets from each fish?
... that <a href="./Perch" id="mwCpw" rel="mw:WikiLink" title="Perch">perch</a> became a major product of the <b id="mwCp0"><a href="./Fishing_industry_in_Switzerland" id="mwCp4" rel="mw:WikiLink" title="Fishing industry in Switzerland">Swiss fishing industry</a></b> <i id="mwCp8">(fishing boat pictured)</i> in the mid–20th century after a fisherman found that an <a href="./Peeler#Industrial_peelers" id="mwCqA" rel="mw:WikiLink" title="Peeler">industrial potato peeler</a> made two perfect filets from each fish?<!--Special occasion hook for August 1-->