Performance of this work involves occasional long periods standing or walking, occasionally lifting, carrying or moving objects weighing up to fifty pounds, typically performing work sitting at a desk or a table, walking over rough, uneven, rock surfaces, long periods of standing, typically bending, crouching or stooping in confined spaces, operating keyboard devices or VDTs where speed, accuracy, and volume of work are required for production oriented work, and prolonged fine finger movements. The states having this interstate compact are Arizona, Arkansas, Delaware, Idaho, Iowa, Maine, Mississippi, Nebraska, New Mexico, North Carolina, North Dakota, South Dakota, Tennessee, Texas, Utah, Virginia, and Wisconsin.