The bowls are dipped in a plaster-based mixture and varnished or lacquered on the outside. It is believed that the tomb was varnished and lacquered. They began to have panels attached which were varnished to appear like Japanese lacquer. Finally, teak may also be varnished for a deep, lustrous glow. The wood was treated with oil to protect against moisture, but not varnished or polished. Both those vessels burst into flames, because of their heavily varnished and polished wooden surfaces. They are often varnished with bright colours and made from alternative materials to wood. It is unlined, and was never varnished or waxed. Today, such nunchaku are often varnished or painted for display purposes. Early aircraft were covered in a variety of fabrics including rubberised cotton and varnished silk. The paint was easily removed as the painting was heavily varnished. He varnished them into place on the blue-black canvas strips and attached them to glass. The paint was removed with relative ease from the varnished surface. Afterward, he had the skeleton cleaned, dried and varnished. The primary tapes used in electrical applications are vinyl, rubber, mastic, and varnished cambric.