31.   By adding another layer, the show should have even greater appeal to viewers who enjoy solving puzzles, Friedman says.

32.   Buying these trips through a travel agent adds a layer of protection.

33.   By adding layers, they could insulate a piece.

34.   By recommending action, the safety board is trying to add a layer of safety by making an explosive environment impossible in the fuel tank.

35.   Critics say the mix of managers has added layers of bureaucracy and taken attention away from preserving the land and its inhabitants.

36.   Danvers, Massachusetts-based Ibis enhances wafers used in the manufacture of integrated circuits by adding a layer of insulation.

37.   Could I add a layer of concrete to straighten out the floor so the water would go out of the garage?

38.   Extra features add another layer of selectivity.

39.   For cable operators, the switching technology in the network adds another layer of expense.

40.   For my friend, the stereotypes only added another layer of doubt.