A method of data processing for securing local resources in a mobile device. According to one aspect of the invention, physical playing instruments are utilized in a gaming environment that may be scrambled, shuffled, andor played remotely over a network. Other embodiments are described and claimed. A hydraulic chamber of a gas-liquid power accumulator fixed in the main slide block communicates to a hydraulic chamber of a hold down cylinder, a plunger of the hold down cylinder is connected to the hold down slide block and drives it. 3\xd7107cm2 or less and a crystal orientation expressed by the half-value width of its rocking curve of 4,320 arcsec or less; and a production process thereof.