PDFWAC 296-806-48008
Make sure all circular saws meet these requirements.
(1) You must protect employees from contacting the portion of the saw beneath or behind the table by covering it with either:
(a) An exhaust hood, if one is required; or
(b) A guard.
(2) You must prohibit workers from inserting wedges between the saw disk and the collar to form a wobble saw.