Home / Courses / 4B Hoisting Engineer License Refresher Course Master 2 5 Department of Public Safety 520 CMR 6.00 Copy Copy Copy 30 min Short Term Rentals/Temporary Permits Copy Copy Copy 30 min Accidents 20 min Hoisting License Renewals Copy Copy Copy 20 min Operating Procedures for Hoisting Machinery Copy Copy Copy 4A 7 RESTRICTION 4A RESTRICTION 4B – DRILL RIG RESTRICTION 4C – Pipeline Side Booms RESTRICTION 4D – CONCRETE PUMPER TRUCK RESTRICTION 4E – CATCH BASIN RESTRICTION 4F – SIGN HANGING EQUIPMENT RESTRICTION 4G – RADIAL ARM MOWERS 4B Hoisting Engineer License Refresher Course Back to Course This content is protected, please login and enroll course to view this content! Prev RESTRICTION 4B – DRILL RIG Next RESTRICTION 4D – CONCRETE PUMPER TRUCK