; pos=yes warn=0 ; check that closure of plumbed legs doesn't depend on orientation *sd tape position 0.1 metres *sd plumb 0.25 degrees *fix A 3 4 10 *fix B 0 5 10 *fix D 0 0 0 A U 0 0 0 U D 10.00 - down B V 0 0 0 V D 10.00 - down