Information technology. Data interchamge on 8 mm wide magnetic tape cartridge. Helical scan recording. HH-1 format

Some interference may be expected because these rubbers react with chromic acid in a manner similar to polyisoprene

Class A papers are of two grades

The filmholder may be any means which ensures close screen/film contact and prevents the film from being exposed to ambient light

BS EN 50085-2-2:2008 Cable trunking systems and cable ducting systems for electrical installations

BS IEC 61892-3:2019 supersedes BS IEC 61892‑3:2012

its operation must be transparent to end-systems

ISO 21041 offers retailers

up to 24 m according to ISO 8666

If tin and antimony are present

BS EN 15826 is a European Standard which defines a number of terms relating to vitreous and porcelain enamels and their technology

as well as the safety of neighbouring land and property

BS 5591 gives detailed information such as: