Tear a sheet of newspaper from top to bottom and the line runs almost straight. Tu the sa sheet side and yo tear dri badly acr the pa. The fib inside wo pulp we carried by moving water while the sheet was formed, and most of them ended up pointing one way. A tear along the fibers slips between them, while a tear across them must snap each fiber in turn. The surface gives no hint of any of this.

Type only the missing letters. Each box is one letter, and the number of boxes matches the letters that are missing.