The invention relates to a wrench for manipulating lock nuts on cable clamps and conduit for securing electrical cable or conduit to electrical boxes. The first circuit may be configured to generate a compressed representation of an input sequence of characters and statistics regarding one or more types of information in the compressed representation of the input sequence of characters. The exposed, ruptured cervical air sacs are treated with an antibacterial agent, thereby reducing pathogenic bacteria. A mark to be made on the virtual canvas is determined dependent on the brush tool model and the collected information.