What are the possible meanings of OPS acronym?

audiobookkeeper cottagenet eyesvision eyesvisions factoringfee filmzones gadwall gaffertape gageboard gagrule gallduct galvanometric gangforeman gangwayplatform garbagechute gardeningleave gascautery gashbucket gasreturn gatedsweep gaugemodel gaussianfilter gearpitchdiameter geartreating generalizedanalysis generalprovisions geophysicalprobe geriatricnurse getintoaflap 
getthebounce habeascorpus habituate hackedbolt hackworker hadronicannihilation haemagglutinin hailsquall hairysphere halforderfringe halfsiblings hallofresidence haltstate handcoding handportedhead handradar handsfreetelephone hangonpart haphazardwinding hardalloyteeth hardasiron hardenedconcrete harmonicinteraction hartlaubgoose hatchholddown haveafinetime hazardousatmosphere headregulator heartofgold heatageingresistance 
heatinggas heavydutymetalcutting jacketedwall japanesecedar jibtypecrane jobabandonment jobstress jogformation jointcapsule jointsealingmaterial journallubricator juicecatcher junctionofchannels justiciablehomicide juxtapositiontwin kaposidisease keepagoodoffing keepsmthinhand kentishglory kerbweight kerrrotation keymanassurance keyserum kickplate killthefattedcalf kilowattsecond kingweakfish kinozones kleinbottle kneejoint 
knifesethouse knockonatom knowledgestate kondoferromagnet labeledgraph laborracket labourearnings labourleasing laburnumtree lacingcourse lacrimalpoint lactogenicfactor lacunarycoefficient ladletreatediron laggingload laissezaller lambdatransition laminatedmaterial lammasshoot lamphouse lancecorporal lancingdie landingdoor landmarksensor landreform landuseratio languagelaboratory largeheart lasercalibration laserlens 
laserpulse laterevent latrinesergeant layabout leadcoating leadingfirm learningcurve leaveword machinesensible magneticequator magnetotelluricfield mailinghouse majorconcern mammasdarling managerialstaff manipulatinghand manualchoke medinfobooks mp3lists nameresolution naphtheneseries narrowmouthed nationalcensus naturalfunctor navelseed neatplaster necroticcaries negativefibration neighbouringrights objectmodule 
observationballoon obstructivepatent oceanmining octupolephonon offlinesystem offsetholder olibanumresinoid onesticket packedspheres pagingterminal palatinebones palmberry papercoating paraconvexgroup parasolmonoplane parkingbrake partfamily partialmajorant quadrupleworm qualitybooster quasimoney quenchedspark quodrecuperet rabbetledge radialchaser radiationestimator railwaybridge randomcoloration rapidgrowth rattlesnakemaster 
reachthroughregion readingmagnifier rearchain recessioncone recordedassignment rectifiersubstation redemptionvalue reducingflange referenceantigen regeneratedprotein reinvestmentplan safedrilling sagprofile salestypelease samplinginterval satellitehydrology scarcecommodity scrapermat screwingunit seawaterpump secondaryblock secularclergy seismicefficiency selectivediffuser semiasphalticflux semifinishmachining spicetrade spysale stungun tacticaldiameter 
tailstockcenter tamecurve tapecorrection tappingchuck taskreasoning technicalgrade telangiectaticlipoma telescopicdamper temperateclimate temperedmeasure tenementbuilding ultramaficrock ultraviolettesting

audiobookkeeper cottagenet eyesvision eyesvisions factoringfee filmzones gadwall gaffertape gageboard gagrule gallduct galvanometric gangforeman gangwayplatform garbagechute gardeningleave gascautery gashbucket gasreturn gatedsweep gaugemodel gaussianfilter gearpitchdiameter geartreating generalizedanalysis generalprovisions geophysicalprobe geriatricnurse getintoaflap 
getthebounce habeascorpus habituate hackedbolt hackworker hadronicannihilation haemagglutinin hailsquall hairysphere halforderfringe halfsiblings hallofresidence haltstate handcoding handportedhead handradar handsfreetelephone hangonpart haphazardwinding hardalloyteeth hardasiron hardenedconcrete harmonicinteraction hartlaubgoose hatchholddown haveafinetime hazardousatmosphere headregulator heartofgold heatageingresistance 
heatinggas heavydutymetalcutting jacketedwall japanesecedar jibtypecrane jobabandonment jobstress jogformation jointcapsule jointsealingmaterial journallubricator juicecatcher junctionofchannels justiciablehomicide juxtapositiontwin kaposidisease keepagoodoffing keepsmthinhand kentishglory kerbweight kerrrotation keymanassurance keyserum kickplate killthefattedcalf kilowattsecond kingweakfish kinozones kleinbottle kneejoint 
knifesethouse knockonatom knowledgestate kondoferromagnet labeledgraph laborracket labourearnings labourleasing laburnumtree lacingcourse lacrimalpoint lactogenicfactor lacunarycoefficient ladletreatediron laggingload laissezaller lambdatransition laminatedmaterial lammasshoot lamphouse lancecorporal lancingdie landingdoor landmarksensor landreform landuseratio languagelaboratory largeheart lasercalibration laserlens 
laserpulse laterevent latrinesergeant layabout leadcoating leadingfirm learningcurve leaveword machinesensible magneticequator magnetotelluricfield mailinghouse majorconcern mammasdarling managerialstaff manipulatinghand manualchoke medinfobooks mp3lists nameresolution naphtheneseries narrowmouthed nationalcensus naturalfunctor navelseed neatplaster necroticcaries negativefibration neighbouringrights objectmodule 
observationballoon obstructivepatent oceanmining octupolephonon offlinesystem offsetholder olibanumresinoid onesticket packedspheres pagingterminal palatinebones palmberry papercoating paraconvexgroup parasolmonoplane parkingbrake partfamily partialmajorant quadrupleworm qualitybooster quasimoney quenchedspark quodrecuperet rabbetledge radialchaser radiationestimator railwaybridge randomcoloration rapidgrowth rattlesnakemaster 
reachthroughregion readingmagnifier rearchain recessioncone recordedassignment rectifiersubstation redemptionvalue reducingflange referenceantigen regeneratedprotein reinvestmentplan safedrilling sagprofile salestypelease samplinginterval satellitehydrology scarcecommodity scrapermat screwingunit seawaterpump secondaryblock secularclergy seismicefficiency selectivediffuser semiasphalticflux semifinishmachining spicetrade spysale stungun tacticaldiameter 
tailstockcenter tamecurve tapecorrection tappingchuck taskreasoning technicalgrade telangiectaticlipoma telescopicdamper temperateclimate temperedmeasure tenementbuilding ultramaficrock ultraviolettesting