81.  A similar scoring system is used for the anxiety component.

82.  A similar system can be used for ladders.

83.  A similar system was also used in the West Country on steep hillsides from the seventeenth century onwards.

84.  A simple calibration procedure is used to set-up the system for individual implements.

85.  A simple riffle system can speed up the processing of the lode All this has led to some skill rubbing off.

86.  A simple system of flag warnings is backed up by volunteers with loudspeakers who will patrol the shore areas.

87.  A single point of Hilbert space now represents the quantum state of an entire system.

88.  A single system for all seemed an obvious solution to such problems.

89.  A single, but important, article discussing the quality systems needed for production of reference materials represents quality assurance.