Dangerous Goods by Road
these marks shall be permanently affixed (e.g. stamped, engraved, or etched) on the metal hydride
storage system. the marks shall be on the shoulder, top end or neck of the metal hydride storage
system or on a permanently affixed component of the metal hydride storage system. except for the
united nations packaging symbol, the minimum size of the marks shall be 5 mm for metal hydride
storage systems with a smallest overall dimension greater than or equal to 140 mm and 2.5 mm for
metal hydride storage systems with a smallest overall dimension less than 140 mm. the minimum size
of the united nations packaging symbol shall be 10 mm for metal hydride storage systems with a
smallest overall dimension greater than or equal to 140 mm and 5 mm for metal hydride storage
systems with a smallest overall dimension less than 140 mm.