"A balloon," said Oz, "is made of silk, which is coated with glue to keep the gas in it.

Sun Tzu said: In the operations of war, where there are in the field a thousand swift chariots, as many heavy chariots, and a hundred thousand mail-clad soldiers, with provisions enough to carry them a thousand li, the expenditure at home and at the front, including entertainment of guests, small items such as glue and paint, and sums spent on chariots and armor, will reach the total of a thousand ounces of silver per day.

Pinocchio closed his eyes and pretended to be asleep, while Geppetto stuck on the two feet with a bit of glue melted in an eggshell, doing his work so well that the joint could hardly be seen.