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A collection of featured documents from our library that are popular among our users or otherwise noteworthy.
Classification and dimensions of connections for fire department nozzle-tips
Method of measuring performance for gas treatment equipment
Measuring methods for dust resistivity (with parallel electrodes)
Light extinction liquid-borne particle counter
Cleanrooms and associated controlled environments -- Part 3: Test methods
Cleanrooms and associated controlled environments -- Part 7: Separative devices (clean air hoods, gloveboxes, isolators and mini-environments)
Cleanrooms and associated controlled environments -- Biocontamination control -- Part 1: General principles and methods
Cleanrooms and associated controlled environments -- Biocontamination control -- Part 2: Evaluation and interpretation of biocontamination data
Cleanrooms and associated controlled environments -- Part 1: Classification of air cleanliness by particle concentration
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