Chisels are of two types, hot and cold chisels. Commonly used woodworking tools included axes, adzes, chisels, pull saws, and bow drills. However, these lithics became the basis for stone hammers and chisels. Scraping may be performed using such tools as chisels, planes, and cabinet scrapers. Spikes, knives, daggers, arrow-heads, bowls, spoons, saucepans, axes, chisels, tongs, door fittings etc. Carving is done with non-mechanical hand tools such as machetes, chisels and knives. Knives, chisels, straight-edge razors, and scissors are examples. Their tools, including scrapers, chisels and arrowheads, were discovered in 1973 through archaeological excavations. Examples of applications include cutting tools, high strength wires, knives, chisels, and nails. A variety of hand mauls, wedges, chisels, and knives are also used. The stone chisels were sharpened by chipping off a new edge when dulled. Woodland technology included items such as beaver incisor knives, bangles, and chisels. Craftswomen employed bone tools fashioned as chisels for fleshing. The marble was worked with iron tools -- picks, points, punches, chisels and drills. There were few artifacts, mainly two pots, six bone chisels and some flint tools.