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Transportation push-wheelchairs for persons with disabilities. Main parameters. Technical requirements

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Low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Electrical safety. Equipment for testing, measuring or monitoring of protective measures. Part 4. Resistance of earth connection and equipotential bonding

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Countersunk head screws. Head configuration and gauging

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Food additives. Potassium polyphosphates E452 (ii). Specifications

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Fuel for engines. Research method for determination of octane number

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Geotextiles. Determination of thickness at specified pressures

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