Keywords: Vertical joints.jpg Diagram showing how to lay vertical block joints when constructing a block wall This diagram was taken from a U S Navy training manual which the Navy identifies as document number NAVEDTRA 14043 with a title of Builder 3 2 Volume 1 U S Navy Document number NAVEDTRA 14043 reprints available at http //www tpub com/content/construction/14043/css/14043_238 htm http //www chqsoftware net/catalog/product_info php products_id 1950 http //www souq com/item php id 2097172 http //www militarymanual com/2_by_sea/us-navy-advancement-training/us-navy-advancement-construction-electrician-builder-mechanic-seabee-utilitiesman html 1993-03 U S Navy PD-USGov-Military-Navy Masonry construction drawings |