71.   While many companies have elaborate tracking systems in this area, some have cracks that resemble the Grand Canyon.

72.   Working with chocolate cravers, she tested their responses with an elaborate system of boxes.

73.   An AACT statement said the pirates used an elaborate system of lookouts and runners to evade detection for so long.

74.   Authorities found bomb-making manuals, weapons, hundreds of pounds of explosives and an elaborate system of tunnels on his property.

75.   Generations of generals have grown rich through the elaborate system of corruption and graft that governs nearly every financial arrangement in Nigeria.

76.   Half a century ago, the U.S. Army Corps of Engineers bulldozed an elaborate system of roads, canals and levees that rerouted water across South Florida.

77.   He said AOL has an elaborate system to encourage members to report child pornography.

78.   It was envisioned as part of an elaborate system of border patrols, electronic monitoring and lookout posts.

79.   Paths through the brush lead to entrances of the elaborate system of defensive tunnels.

80.   Ramli said discussions were also underway on the possibility of Perak supplying water to Penang and Kedah through an elaborate piping system.