Vibratory screen separators, vibrating screens, non-vibrating screens, incline screens, horizontal screens, modified horizontal screens, banana screens consisting of one or multiple decks or combinations, retention screens, flat drain screens, and trommel screens all used for machines; component parts thereof used in coal processing and mineral recovery plants and buildings, and used at mine buildings and facilities at mines for the mining and/or conveyance of coal; Coanda effect wire screens and wedge-wire screens for domestic, agricultural and industrial use, particularly in water and waste water screening, namely, in hydro-turbine intakes, hydro-electric facilities, irrigation, water resource management, water purification, rainwater harvesting, fish, sand, sediment, debris, and aquatic growth exclusion, and industrial water treatment; sieve bends, static sieves, dewatering sieves, DSM sieve screens and air-flow cleaners used in the processing of coal and minerals, and in waste and metals recovery