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1.1 This specification is intended to help ensure barrier face coverings meeting the stated requirements provide (1) a means of source control for individual wearers by reducing expelled aerosols from the wearer's nose and mouth into the air; and (2) a degree of particulate filtration that...
1.1 This specification is intended to help ensure barrier face coverings meeting the stated requirements provide (1) a means of source control for individual wearers by reducing expelled aerosols from the wearer's nose and mouth into the air; and (2) a degree of particulate filtration that...
1.1 This specification is intended to help ensure barrier face coverings meeting the stated requirements provide (1) a means of source control for individual wearers by reducing expelled aerosols from the wearer's nose and mouth into the air; and (2) a degree of particulate filtration that...
1.1 This specification is primarily intended to help ensure barrier face coverings meeting the stated requirements provide (1) a means of source control for individual wearers by reducing the number of expelled droplets and aerosols from the wearer's nose and mouth into the air; and (2) to...
1.1 This specification is primarily intended to help ensure barrier face coverings meeting the stated requirements provide (1) a means of source control for individual wearers by reducing the number of expelled droplets and aerosols from the wearer's nose and mouth into the air; and (2) to...
This International Standard specifies safety requirements for electric toys that have at least one function dependant on electricity, electric toys being any product designed or intended, whether or not exclusively, for use in play by children under 14 years of age. NOTE 1 Examples of electric toys...
This document provides guidance for the auditory presentation of information controlled by software, irrespective of the device. It includes specific properties such as the syntactic or semantic aspects of information, e.g. coding techniques, and gives provisions for the organization...
This document provides guidance for the auditory presentation of information controlled by software, irrespective of the device. It includes specific properties such as the syntactic or semantic aspects of information, e.g. coding techniques, and gives provisions for the organization...
This document provides test methods for the evaluation of image quality of computed tomography (CT) security-screening systems. The quality of data for automated analysis is the primary concern. This document does not address the system's ability to use this image data to automatically detect...
5.1 Concepts: 5.1.1 This guide summarizes the equipment, field procedures, and interpretation methods used for the determination of the depth, thickness and the seismic velocity of subsurface soil and rock or engineered materials, using the seismic refraction method. 5.1.2 Measurement of subsurface...
This International Standard covers those aspects to be considered when electrical/electroni
1.1 This practice describes a method for rapid delineation of variations in formation permeability in the subsurface using an injection logging tool. Clean water is injected from a port on the side of the probe as it is advanced at approximately 2cm/s into virgin soils. Logging with the injection...
This International Standard covers those aspects to be considered when electrical/electroni
This standard covers the semantics (meaning) of data exchanged between data producers, users and databanks, independently from the software device and the formats used to exchange the files. It provides a consistent set of terms defining selected objects and their related attributes....
This International Standard gives requirements for the specification, design, installation, operation and maintenance of a safety instrumented system, so that it can be confidently entrusted to place and/or maintain the process in a safe state. This standard has been developed as a process sector...
This International Standard specifies safety requirements for electric toys that have at least one function dependant on electricity, toys being any product designed or clearly intended, whether or not exclusively, for use in play by children of less than 14 years of age. NOTE 1 - Examples of toys...
This International Standard specifies safety requirements for electric toys that have at least one function dependant on electricity, toys being any product designed or clearly intended, whether or not exclusively, for use in play by children of less than 14 years of age. NOTE 1 - Examples of toys...
This International Standard specifies safety requirements for electric toys that have at least one function dependant on electricity, toys being any product designed or clearly intended, whether or not exclusively, for use in play by children of less than 14 years of age. NOTE 1 - Examples of toys...