Posted on April 2, 2019April 4, 2019 by Pulse AssentISO 21539:2019 Ships and marine technology. Testing specification for walkways using electrical resistance trace heating. Link: ISO 21539:2019 Ships and marine technology. Testing specification for walkways using electrical resistance trace heating. Source: BSI Standards Related Posts:£80 million boost to help UK businesses tackle…New laws to introduce digital labelling for…UK and Japan strengthen science and tech ties in TokyoNew multi-million pound Programme helps British SMEs…Expert regional innovation hubs given £75 million…