ADPS explosive detection system scaffolding substructure infrastructure exhaust system navigational system guidance device shipboard system data system assemblage lockage labyrinth ADP system synchro resonator instrumentation drainage system guidance system propulsion system staging hookup module maze mechanical system audio system sprinkler system synchromesh solar thermal system containment inertial guidance system inertial navigation system selsyn security system computer system electronic network automatic data processing system control system instrumentality exhaust computing system EDS network explosive trace detection communication system information system ETD sound system

ecosystem judicial system dragnet social structure web rootage subsystem grouping scheme social system judicatory root system nonlinear system economy organism body group language system machinery shebang social organisation economic system hierarchy judicature syntax water system network structure solar system judiciary social organization

matter

method programme ethical code organon logical system logic spoils system anthroposophy program frame of reference theosophy system of logic honor system theological system ethic discipline system of rules accounting frame merit system point system theology government gambling system

coach test drive control ride tool take operate

move travel motor locomote ride take go

toe thrust force toenail ram

chorus lineup diagonal row rank formation chorus line rivet line linemen

squiggle hairline dotted line trend line guideline seriph mark cross hair serif shaft spectrum line graduation ascender cross wire leger line isometric line descender staff line isometric curlicue ledger line bar line print

waiting line diagonal line of march queue trap line line of succession formation conga line single file Indian file file picket line