A wheel assembly for traversing a path along a ground surface having a layer of soil, the wheel assembly comprising a central support and an airless flexible covering mounted on the central support and having a plurality of rigid sections and a plurality of flexible sections. The semiconductor memory device includes a detection circuit, which is connected to the plurality of word lines. An alarm system may be added to the apparatus to alertwarn of tampering. A layer of metal is deposited on the surface of the polished hand tool to provide an anti-rust effect andor anti-corrosion effect. In another form, the user of the television signal receiver selects or sets the home channel. A display component is coupled to the computer.