Tunnelling machines. Air locks. Safety requirements

This International Standard specifies the architectural communications framework of intelligent transport systems (ITS) for the family of communications access for land mobiles (CALM) related International Standards

using sound intensity

—     Statutory and regulatory requirements

BS EN 3728 on shaft-nuts is useful for:

flame or induction hardened machine parts

BS EN 13899 discusses requirements

Added a note to warn about the fact that this test method requires in 6

site resident engineers

10 mm and 0

grain side inwards

marking and information

as delivered to the user and do not allow for calibration drift during use