61.   Both surfaces should be clean, dry and free of loose paint.

62.   A hard surface would be ideal for the US squad, considering the players from Spain much prefer playing on clay.

63.   A milk paint surface can be polished, oiled, waxed, distressed and polyurethaned.

64.   A likely cool surface could be the inside of the ceiling panels.

65.   A slightly coarse surface is ideal, though stone can be applied to a smooth finish without preparation.

66.   After the two exhibitions played there, kickers complained that the Bermuda grass surface was uneven in places.

67.   All day the snow held up, and while there was some surface granular it was loose and powder-like.

68.   Also, insulate walls and ceilings and floors, so that these surfaces will be warm, and water vapor will be less likely to condense on it.

69.   Bury them deep enough so the top surface is flush with the ground.

70.   But as with so much U.N. Studio work, surfaces are deceiving.