Home » Blog • OPL » One Point Lesson Safety One Point Lesson Safety Author: wcm.today | Feb112018 Posted in Blog, OPL No comments To lower scissor lift (MEWP) due to emergency or power loss, turn “Emergency Lowering” valve counterclockwise. This OPL is only for reference – always follow safety rules prescribed by your local H&S department. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) Related Tags:MEWP, Mobile Elevated Work Platform, Skyjack Related Posts Spare Parts Administration Robust Design, Quality Maintenance and Engineering. Part 1 Basic Hand Tools Safety Module Supply Chain Management (SCM) and its relationship to TPM. Part 2 Add Your Comment Click here to cancel reply. Name (required) Mail (will not be published) (required) Website Notify me of follow-up comments by email. Notify me of new posts by email.