setting different angles and weight testing of all types. Rolls ships propellers and handling such items as shafts... must be able to see surrounding activity. Near Acuity (clarity of vision at 20 inches or less): Frequently -- Important...
Vigorsetting different angles and weight testing of all types. Rolls ships propellers and handling such items as shafts... must be able to see surrounding activity. Near Acuity (clarity of vision at 20 inches or less): Frequently -- Important...
Vigor