div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: rickbradfordcoukrickbradfordcoukHayhurst4of4pdfDesign and Construction of Ferrous Piping Installations for and in Connection with Land Boilers BS 806 1993 British Standards src=https:reader030vdocumentsusreader030viewer20220214175ab1619a7f8b9a7e1d8c53ffhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: rickbradfordcoukrickbradfordcoukHayhurst4of4pdfDesign and Construction of Ferrous Piping Installations for and in Connection with Land Boilers BS 806 1993 British Standards src=https:reader030vdocumentsusreader030viewer20220214175ab1619a7f8b9a7e1d8c53ffhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv