A collection of featured documents from our library that are popular among our users or otherwise noteworthy.
Cleanrooms and associated controlled environments -- Part 2: Monitoring to provide evidence of cleanroom performance related to air cleanliness by particle concentration
Clean room garment -- Methods for sizing and counting particle contaminants in and on clean room garments
Clean room -- Test methods for dust generation from moving mechanisms
Standard for measuring methods of airborne ion density
Testing methods of pH controlling equipments
Testing methods of precipitation equipments
Testing methods of filtration equipments for clarifying
Testing methods of floatation equipments
Testing methods of activated sludge process equipments
Testing methods of filtration equipments for dewatering
Ozone treatment apparatus for water and wastewater including other oxidation uses -- Specifications of apparatus and measurement methods for ozone concentration
Safety of machinery -- Electrical equipment of machines -- Part 11: Requirements for HV equipment for voltages above 1000V a.c. or 1500V d.c. and not exceeding 36kV
Safety of machinery -- Electrical equipment of machines -- Part 32: Requirements for hoisting machines
Safety of machinery -- Electrical equipment of machines -- Part 33: Requirements for semiconductor fabrication equipment
Personnel competence for machinery safety
Graphical symbols of wiring diagram for architectural plans
Identification of conductors by colours or numerals
Industrial systems, installations and equipment and industrial products -- Structuring principles and reference designations -- Part 2: Classification of objects and codes for classes
Preparation of parts lists
Structuring of technical information and documentation
Graphical symbols for diagrams-Part 1: General information, general index, cross-reference tables
Graphical symbols for diagrams-Part 2: Symbol elements, qualifying symbols and other symbols having general application
Graphical symbols for diagrams-Part 8: Measuring instruments, lamps and signalling devices
Degrees of protection provided by enclosures (IP Code)
Protection of persons and equipment by enclosures for electrical apparatus -- Probes for verification
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