BS 3643-2; 1981 ISO Metric Screw Threads

BS 1723-3; 1988 Brazing Methods for Non-Destructive & Destructive Testing

BS 476-21; 1987 Fire Tests on Building Materials & Structures.pdf

BS 499-2;1980 Welding Terms & Symbols

BS 476-6; 1989 Fire Tests on Building Materials & Structures.pdf

BS 499-1;1991 Welding Terms & Symbols Supplement

BS 1494-1;1964 Fixings for Sheet, Roof & Wall Coverings

BS 476-22; 1987 Fire Tests on Building Materials & Structures