21.   Back to back bar charts can be used as back to back stem and leaf displays were to compare two distributions.

22.   Barley straw is soft and palatable, and is widely used as bulk feed for beef cattle.

23.   Between two people one poncho was used as a groundsheet and the other was strung up and pinned down with home-made pegs.

24.   Bruce should provide help as a run defender while Wallace would be used as a designated pass rusher.

25.   But applicants will be given a receipt, along with their old green card, to use as proof of legal residency.

26.   But his basic belief was so widespread that gay men themselves sometimes used it as a come-on.

27.   But Uys knows how to use it as a weapon to start the revolution.

28.   But with other films it sometimes looks as if money has been used as a substitute for imagination and ingenuity.

29.   Dark green arugula, often used as a stand-alone salad green, has a peppery and slightly bitter flavor.