Specific test methods for insulating and sheathing polyethylene and polypropylene compounds of electric cables. Elongation at break after pre-conditioning. Wrapping test after pre-conditioning. Wrapping test after thermal ageing in air. Measurement of mass increase. Long-term stability test. Test method for copper - catalyzed oxidative degradation
Electronics automated design systems. Information support. Technical characteristics of electronic components. Cathode ray receiving and converting tubes. Declarative knowledge specifications according to technical characteristics
