Protective helmets. Test methods - Field of vision Ingestion-build-63436 in order to be more

in order to be more understandable

Measuring methods and practices are included in order to promote uniform inspection procedures (see Clause 5)

Nor does it cover fire detectors or electrical control and indicating equipment

The interlining is also called interfacing

This British Standard supersedes the clauses of BS 7499:1998 which dealt with keyholding services

Protective helmets. Test methods - Field of vision Ingestion-build-63436 in order to be more1 Scope This European Standard specifies test methods for protective helmets. The purpose of these tests is to enable assessment of the performance of the helmet as specified in the appropriate helmet standard. This European Standard specifies the test method for field of vision.