WG-08 Level MUST possess experience or training planning, manufacturing, and installing cylindrical, square, or rectangular-shaped objects that have easily constructed fastening; experience cutting and forming by using basic hand and powered tools such as hammers, chisels, hand snips, band and circle saws, squaring shears, seamers, bar folders, breaks, and stakes; experience assembling parts by seaming, bolting, screwing, riveting, tacking, spot-welding, or soldering; experience demonstrating a basic understanding of using measuring instruments. SPECIALIZED EXPERIENCE: WG-10 Level MUST possess experience or training in planning, layout, and construction skills to manufacture items and systems with dovetailed seams, set-in-bottom seams, burred-bottom seams, or wired or lock seams; experience using more complicated shop tools and equipment; experience in using metals including stainless steel, copper sheet, magnesium, honeycomb material and alloys; experience demonstrating the use of more complicated mathematical calculations and complicated measuring instruments.