Boreholes on the area in diagonal grid Boreholes about the floor 100x100 mm grid Boreholes about the floor 50x50 mm grid Boreholes over the surface 50x50 mm grid Boreholes around the surface area 50x50 mm grid Gantry cranes can be found in both of those fastened and adjustable top https://cnc-machine75161.blogolize.com/not-known-details-about-lifting-system-70648968