nickwilliams
Well-known member
May be of interest to some here:
http://www.hse.gov.uk/safetybulletins/aluminium-cylinders.htm?eban=govdel-safety-bulletins&cr=18-Apr-2018
http://www.hse.gov.uk/safetybulletins/aluminium-cylinders.htm?eban=govdel-safety-bulletins&cr=18-Apr-2018