Recording. Helical-scan digital video cassette recording system using 6,35 mm magnetic tape for consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) - HDV format for 1080i and 720p systems seo-ignore Smoke barriers are only covered

Smoke barriers are only covered by this part of ISO 21927 when calculation methods exist for the determination of the leakage rate of smoke

For certain applications there are justifiable reasons to deviate from these safety distances

BS 5666-7 on wood preservatives is useful for:

BS 6401 focuses on smoke generated by materials

AIS airborne stations shall process assignment commands in accordance with Recommendation ITU-R M

Recording. Helical-scan digital video cassette recording system using 6,35 mm magnetic tape for consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) - HDV format for 1080i and 720p systems seo-ignore Smoke barriers are only covered