Plumbing & Waterworks: Related Service Occupational Codes may include but are not limited to: 001519, 001797, 003004, 003556, 1120, 1169, 1171, 120A, 12B, 12H, 12K, 1302, 1371, 13B, 19D, 21K, 313, 3E411, 3E431, 3E451, 3E451A, 3E471, 3E471A, 3E490, 3E4X1, 4205, 4230, 4250, 4260, 4340, 4952, 4999, 51K, 6199, 704, 748B, 91B, DC, FC, FCA, HT, MK, MM, MMA, U52A, UTH. Operation of Office Equipment - Job requires operation of equipment common to office settings, including computers, copiers, and other office equipment, including Near Vision, Manual Dexterity, and working in proximity to equipment.