acoustic modemaeratorair search radaramplifieranti-submarine rocketapishamoreapparatusastronomy satelliteatomic pileaudio amplifieraudio systemaudiovisualautomationbackboardbacklightingbadminton equipmentbaggagebalance beamballballistic pendulumbar bitbar maskbarbellbardbasebaseballbaseball batbaseball equipmentbaseball glovebasic point defense missile systembasketbasketballbasketball equipmentbathyscaphebathyspherebatting cagebatting glovebatting helmetbilliard ballbirdcage maskbishopbitbitewingblackblack boxblister packblowtorchblue chipbocce ballboiling water reactorboosterbowlbowling ballbowling equipmentbowling pinbox cameraboxing equipmentboxing glovebrassiebreeches buoybreeder reactorbridlebridoonbubble jet printerbunsen burnerburnercagecamcordercameracandid cameracandlepincanvascaparisoncardiac monitorcarpenter's kitcascade liquefiercassette deckcassette playercassette recordercastlecatalytic crackercatcher's maskcd playercellular telephonecentral processing unitcentrifugecheckerchemical reactorchessmanchinese puzzlechipcinchcircuitryclapperboardclay pigeonclock pendulumclock radiocoffey stillcommunications satellitecompact-disk burnercomputer keyboardcomputerized axial tomography scannercondensercooling systemcoronetcountercramponcricket ballcricket batcricket equipmentcroquet ballcroquet equipmentcroquet malletcrossbarcrossword puzzlecrowncrown jewelscrown of thornscrystal detectorcrystal setcue ballcurbcytophotometerdata input devicedesk phonedetectordeveloperdial telephonedictaphonedigital cameradirection finderdiscusdiving belldot matrix printerdrill rigdrilling platformdriverdriving irondroguedrogue parachuteduckpindumbbellduplicatoreight ballelectrical systemelectrographelectronic equipmentelectronic fetal monitorenlargerequalizerextensionfacsimilefast reactorfield hockey ballfigure skatefilmfilm clipfire control radarfirst-aid kitfirst basefishing gearflashflash camerafluoroscopefootagefootballfoucault pendulumfuel systemgamegame equipmentgas-cooled reactorgas bracketgas burnergas masergas ringgeargeneratorghetto blastergoalgolf baggolf ballgolf clubgolf equipmentgolf glovegolfcartgoniometergun pendulumgymnastic apparatushalterhamehammerhandballhandsetharnessheadgearheadpinheat pumphectographheliographhematocritheterodyne receiverhi-fihockey skatehockey stickhome platehorizontal barhorsehorseclothhorseshoeice skateimpedimentain-line skateincubatorink-jet printerinstillatoripodironjackjammerjavelinjigsaw puzzlejob-oriented terminaljoystickkingkipp's apparatuskitknightlacrosse balllanderlayettelensliebig condenserlife-support systemlife buoylife jacketlife preserverlight meterlightingliquid metal reactorlithographlong ironlunar excursion modulemae westmagnetic recordermanmarblemarching ordermartingalemasermashiemashie niblickmatmaterialmaterielmedicine ballmess kitmetal woodmetronomemicrofichemicrofilmmidironmimeographminisubmixermodemmonitormotion-picture cameramotion-picture filmmoundmouthpiecemultichannel recordernaval equipmentnaval radarnaval tactical data systemnegativenetniblickninepinninepin ballnuclear reactorobject balloff-line equipmentoptical benchorthochromatic filmoscillographoscilloscopeoutput deviceoxyacetylene torchpackagingpaintball gunpanchromatic filmparachuteparallel barsparasailpawnpay-phonepelhampendulumperipheralphotocopierphotographic equipmentphotographic paperphotostatphysical pendulumpilot burnerpinpinball machinepine-tar ragping-pong ballpitching wedgepitonplaybackpoint-and-shoot camerapolaroid camerapolo ballpolo malletpommel horsepool ballpool tableportrait camerapositivepositron emission tomography scannerpressurized water reactorpricketprinterpunching bagpurifierpush-button radioputterpuzzlequadraphonyqueenquoitracquetballradio-phonographradio compassradio receiverradio transmitterradiotelephoneradiotherapy equipmentrailingreceiverrecorderrecording systemreelreflex camerareflux condenserreformerregaliaremote terminalreproducerrescue equipmentrigriggingringsrobotics equipmentrockerrollroll filmroller skaterollerbladeroofingrosin bagroulette ballroulette wheelrugby ballsaddle blanketsand wedgesatellitesatellite receiversatellite transmitterscannerscramblerscrubbersecond basesemaphoresensitometersequencesequencersetsewing kitship-towed long-range acoustic detection systemshipboard systemshort ironshotshuttlecocksimple pendulumskatesnafflesoccer ballsoda fountainsoftballsound camerasound filmspace capsulespace shuttlespace stationspacecraftspark transmitterspeakerphonespeed skatespikespinnerspoonsporting goodssports equipmentsputnikspy satellitesquash ballstable gearstall barstarshipstereostickstillstock-in-tradestop bathsubmersiblesurface-to-air missile systemsurface search radartangramtape decktape playertape recordertargettarget acquisition systemtawteaching aidtechnologyteetelegraphtelephonetelevision cameratelevision equipmenttelevision monitortelevision receivertelevision transmittertennis balltenpinterminaltest equipmentthermal reactorthermonuclear reactorthird basetiletitratortomographtrampolinetransmitterultracentrifugeuneven parallel barsvaulting horsevideo ipodvideocassette recordervolleyballvolleyball netwalkmanwater-cooled reactorwater wingsweather satellitewebcamwedgeweightwhitewicketwifflewire matrix printerwire recorderwoodwrestling matx-ray filmx-ray machinexeroxyoke