CSA W117.2-06 (R2011)
Safety in Welding, Cutting and Allied Processes
standard by CSA Group, 10/01/2006
Full Description
Update #1 was published as notification that this is now a National Standard of Canada.
This PDF includes updates #1 "should" is used to express a recommendation or that which is advised but not required; "may" is used to express an option or that which is permissible within the limits of the standard; and "can" is used to express possibility or capability. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.