Transport Research International Documentation (TRID) https://trid.trb.org/ en-us Copyright © 2026. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Transport Research International Documentation (TRID) https://trid.trb.org/Images/PageHeader-wTitle.jpg https://trid.trb.org/ AN INVESTIGATION INTO THE LEVELS AND EFFECTS OF TOXIC FUME PRODUCED DURING SEMI-AUTOMATIC FLUX-CORED WELDING IN CONFINED SPACES https://trid.trb.org/View/46386 Wed, 11 Aug 1976 00:00:00 GMT https://trid.trb.org/View/46386 THE CONTROL OF WELDING FUMES IN THE SHIPBUILDING AND SHIPREPAIRING ENVIRONMENT https://trid.trb.org/View/46387 Wed, 11 Aug 1976 00:00:00 GMT https://trid.trb.org/View/46387