An apparatus and method for processing a video signal, and particularly, an apparatus and method for deleting a sawtooth wave are provided in which a sawtooth wave component is detected and with consideration of direction the sawtooth wave is deleted. The data center module is typically configured to be deployed with other identical data center modules around the central facility both in side-to-side andor in back-to-back juxtapositions, typically without the need for interleaving space between adjacent modules in order to maximize real estate use. The wound dressing for controlling severe bleeding is formed of a biomaterial comprising chitosan, a hydrophilic polymer, a polyacrylic polymer or a combination thereof. A second core is disposed on the second cladding. in the MFP are performed according to the settings stored in the environment storage area.