31.   Small boat operators should use caution.

32.   Small craft operators should use caution...

33.   Small craft operators should use extreme caution while on water.

34.   Small craft operators use caution.

35.   The cable, called a towed sonar array, is part of a system that operators use to identify surface and underwater objects.

36.   He said a licence would enable an operator to use a specified radio spectrum in the region covered by the licence.

37.   According to Maximized president Ken Spreitzer, a web site operator can use the SiteShield software to put a marker on certain images that will block their unauthorized reuse.

38.   Operators will use them as tea-leaves to try to get a fix on US monetary policy decisions.