Thorough knowledge of graphic and 3-dimensional arts; drawing, painting, screen printing, typesetting, sculpture, mold and model making; comprehensive knowledge in preservation, collection and reproduction of botanical, zoological, and geological specimens; comprehensive knowledge of construction of natural habitat dioramas including preliminary research, drawings, models, floral and faunal specimen preparation, groundwork, scenery and interpretive scripting; general knowledge of natural sciences; i.e. species identification, environments and in occasional care of live specimens; knowledge in construction skills and use of stationary and portable power tools, brazing and welding equipment, and pneumatic tools; thorough knowledge and creative use of fabrication materials including: fiberglass, resins, plastics, paints, plaster, wood, metals, paper, adhesives, and organic materials. Performs a variety of artistic and construction functions in the development of an exhibit area;35%Assists in the planning and development of new exhibits;10%Assists in the repairs, renovates and maintains existing exhibits;20%Assists in the preservation and mounting of various species of birds, mammals, fish and reptiles;10%Assists in the collection, preservation and reproduction of various botanical, zoological and geological specimens for research, displays and dioramas;15%Assist in the development of graphics and labeling for exhibits; 10%.