The fourth is used as a stencil for indigo prints, which are used for clothing, quilt covers, door and window curtains, cloth wrappers, aprons and scarfs.
Last month, just days after HP voters apparently blessed the Compaq merger (the final tally is still pending), Hewlett-Packard quietly rolled out its first Indigo printers-awesome machines that deliver high-quality color prints at up to 500 pages a minute.