Quality specifications for plywood subfloor material are such that only the outside plys are knot-free.

For when a Gyant’s slain in fight, And mow’d orethwart, or cleft downright, It is a heavy case, no doubt, A man should have his Brains beat out, Because he’s tall, and has large Bones;

The coil-sprung bogies are of similar design to those on the S.R. 2,500 h.p. Bo-Bo electric locomotives, ….

Finally, we study arc-decompositions of antistrong digraphs and pose several problems and conjectures.