gas analyzer. . provide an explosion venting surface or vents, taking care to vent a pressure wave to areas where people or other equipment will not become involved. explosion vents may not be required where small quantities of hydrogen are involved. . buildings should be electrically grounded. . electrical...
operation the donation has already been made to the town and will serve to renew the old chimes system. the money will be used to convert to an electrical system. that brings tremendous relief to the members of the congregation, as meinhof explained. the ringing of the chimes is a very old tradition...