Talk:Nozzle and flapper
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Wiki Education Foundation-supported course assignment
This article was the subject of a Wiki Education Foundation-supported course assignment, between 16 January 2019 and 13 May 2019. Further details are available on the course page. Student editor(s): Lebigcheez.
Above undated message substituted from talk) 14:53, 18 January 2022 (UTC)]