fred zemlickJan 8, 20201 min readHas the word 'janitor' always meant someone who cleans?Appropriately, janitor derives from the Latin janus, meaning “arch” or “gate.” As an occupation, the word originating in the 1580's...
fred zemlickSep 16, 20191 min readWho invented the wringing mop?Thomas W. Stewart, Inventor of the Wringing Mop