9 temperature measuring devices; pressure measuring devices, analytical instruments for measurement of temperature and pressure, all for use in the petro-chemical industry; controllers for electronic and pneumatic apparatus for petro-chemical plants, operator interface consoles for use in petro-chemical plants, pneumatic and electric logging apparatus for use in the petro-chemical industry; computer programs for advanced process control, for maintaining balance between product and energy expended, for product measurement and accounting, for real-time operations management and accounting, for quality control, contract tracking, relational database management, user workstation control, network management, SCADA (supervisory control and data acquisition) and DCS (digital control systems) applications, flow measurement, facility management of designs, specifications, and drawings, maintenance management, valve sizing, safety applications, and encryption