| O | technology. safety and accidents b-out d-out ah |
| OA | technology, manufacturing, and agriculture d-out ah |
| OA2 | technological advancement ah |
| OA2.2 | . new product ah |
| OA4 | technical requirement ah |
| OA6 | product quality ah |
| OBe | AOD use detection technology d-out ah |
| OB2e | . video camera to record AODR driving ah |
| OB4e | . in-vehicle nystagmus test ah |
| OB6e | . breath analyzer ah |
| OB6.2 | . . coin-operated breath analyzer ah |
| OB6.4 | . . in-vehicle breath analyzer ah |
| OB8e | . passive sensor unit ah |
| OB10e | . AODR accident prevention technology ah |
| OB10.2e | . . diagnostic vehicle device ah |
| OB10.2.2e | . . . ignition interlock device ah |
| OB10.2.4 | . . . drunk driver warning system ah |
| OB10.4e | . . performance measuring device ah |
| OB10.4.2 | . . . critical tracking analyzer ah |
| OB10.4.4 | . . . reaction analyzer ah |
| OB10.4.6 | . . . complex coordinator ah |
| OB10.4.8 | . . . divided attention analyzer ah |
| OC | AOD artifacts d-out ah |
| OC2 | . drug paraphernalia ah |
| ODe | technological process d-out ah |
| OD2e | . AOD production process ah |
| OD2.2 | . . adulteration ah |
| OD2.4 | . . freebasing ah |
| OD2.6 | . . alcohol production process ah |
| OD2.8 | . . alcohol production facility ah |
| OD2.8.2 | . . . home brewing, home distilling ah |
| OD2.8.4 | . . . brewery ah |
| OD2.8.4.2 | . . . . microbrewery ah |
| OD2.8.6 | . . . winery ah |
| OD2.8.8 | . . . distillery ah |
| OD4 | . food processing ah |
| OD4.2 | . . fortified, enriched ah |
| OD4.4 | . . kosher ah |
| OD4.6 | . . cooked ah |
| OD4.8 | . . preserved ah |
| OD6 | . packaging process ah |
| OD8 | . recycling ah |
| OE | agriculture and farm production d-out ah |
| OE2 | . animal husbandry ah |
| OE4 | . plant and crop husbandry ah |
| OE4.2 | . . viticulture ah |
| OF | industrial and horticultural use of AOD d-out ah |
| OF2 | . industrial use of AOD ah |
| OF4 | . horticultural use of AOD ah |
| OG | food product d-out ah |
| OG2 | . food product ingredient ah |
| OG4 | . beverage ah |
| OG4.2e | . . nonalcoholic beverage ah |
| OG4.2.2 | . . . water (beverage) ah |
| OG4.2.4 | . . . caffeine free beverage ah |
| OG4.2.4.2 | . . . . decaffeinated coffee ah |
| OG4.2.4.4 | . . . . decaffeinated tea ah |
| OG4.2.4.6 | . . . . caffeine free soft drink ah |
| OG4.2.6 | . . . fruit juice ah |
| OG4.2.8 | . . . nonalcoholic cider ah |
| OG4.2.10 | . . . lemonade ah |
| OG4.2.12e | . . . dealcoholized beverage ah |
| OG4.2.12.2e | . . . . dealcoholized beer ah |
| OG4.2.12.4 | . . . . dealcoholized wine ah |
| OG4.2.14 | . . . nonalcoholic wine ah |
| OG4.2.14.2 | . . . . mustum ah |
| OG6 | . chocolate ah |
| OG8 | . fruits ah |
| OG10 | . vegetables ah |
| OG12 | . grain, cereal ah |
| OG12.2 | . . sorghum ah |
| OG12.4 | . . oats ah |
| OG12.6 | . . rice ah |
| OG12.8 | . . corn ah |
| OG12.10 | . . millet ah |
| OG12.12 | . . sugar cane ah |
| OG14 | . nut, seed ah |
| OG16 | . meat and dairy products ah |
| OG16.2 | . . meat ah |
| OG16.4 | . . poultry ah |
| OG16.6 | . . eggs ah |
| OG16.8 | . . dairy product ah |
| OG16.8.2 | . . . milk ah |
| OG16.8.4 | . . . other dairy product ah |
| OG18 | . fish, shellfish, other seafood ah |
| OG20 | . pastry, sweets ah |
| OG22 | . junk food ah |
| OG24e | . vitamin supplement ah |
| OH | nonfood product d-out ah |
| OH2 | . AOD substance used for technical purposes ah |
| OH4 | . clothing and textile product ah |
| OH4.2 | . . hemp (material) ah |
| OH6 | . household product ah |
| OH6.2 | . . household appliance ah |
| OH6.4 | . . household furnishing ah |
| OH6.4.2 | . . . bathtub ah |
| OH6.4.4 | . . . shower ah |
| OH6.4.6 | . . . hot tub ah |
| OH6.4.8 | . . . whirlpool ah |
| OH6.6 | . . household tool ah |
| OH6.6.2 | . . . power tool ah |
| OH8 | . container ah |
| OH8.2 | . . beverage container ah |
| OH8.4 | . . container for drug ah |
| OH10e | . weapon ah |
| OH10.2e | . . firearm ah |
| OH10.4 | . . gun ah |
| OH10.4.2 | . . . rifle ah |
| OH12 | . machinery ah |
| OH12.2 | . . light machinery ah |
| OH12.2.2 | . . . laboratory equipment ah |
| OH12.2.4 | . . . vending machine ah |
| OH12.4 | . . heavy machinery ah |
| OL | transportation d-out ah |
| OL2 | . traffic rules ah |
| OL2.2e | . . speed limit ah |
| OM | . vehicle operator performance d-out ah |
| OM2e | . . driver performance ah |
| ON | . vehicle d-out ah |
| ON2 | . . road vehicle ah |
| ON2.2e | . . . motor vehicle ah |
| ON2.2.2 | . . . . automobile ah |
| ON2.2.4e | . . . . motorcycle ah |
| ON2.2.6 | . . . . recreational vehicle ah |
| ON2.4 | . . . bicycle ah |
| ON4 | . . rail vehicle ah |
| ON6 | . . water vehicle ah |
| ON8e | . . aircraft ah |
| ON10e | . . motor vehicle part ah |
| ON10.2 | . . . brake pedal ah |
| ON10.4 | . . . accelerator ah |
| ON10.6 | . . . steering wheel ah |
| ON10.8 | . . . ignition ah |
| ON10.10e | . . . seat belt ah |
| ON10.12 | . . . airbag ah |
| OP | . traffic facility or system d-out ah |
| OP2 | . . traffic station ah |
| OP2.2 | . . . bus station ah |
| OP2.4 | . . . railroad station ah |
| OP2.6 | . . . subway station ah |
| OP2.8 | . . . harbor ah |
| OP2.10 | . . . airport ah |
| OP4e | . . road and highway engineering ah |
| OP4.2 | . . . curve recovery area ah |
| OP4.4 | . . . rumble strip ah |
| OP4.6 | . . . speed bump ah |
| OP4.8 | . . . street lighting and signing ah |
| OP4.8.2 | . . . . street light ah |
| OP4.8.4 | . . . . street sign ah |
| OP4.10 | . . . road ah |
| OP4.10.2 | . . . . local road ah |
| OP4.10.4 | . . . . secondary rural highway ah |
| OP4.10.6 | . . . . primary highway ah |
| OP4.10.8 | . . . . expressway ah |
| OP4.12 | . . . highway construction ah |
| OR | safety and accidents d-out ah |
| OR2 | AODR safety problems ah |
| OR4e | safety ah |
| OR4.2e | . accident prevention ah |
| OR4.2.2 | . . safety device ah |
| OR4.4 | . environmental safety ah |
| OR4.6e | . occupational health and safety ah |
| OR4.6.2 | . . safety incentive ah |
| OR4.6.4 | . . injury surveillance ah |
| OR4.6.6 | . . fitness-for-duty examination ah |
| OR4.8e | . consumer product safety ah |
| OR4.8.2e | . . vehicle safety ah |
| OR4.10e | . highway safety ah |
| OR4.10.2 | . . driver safety ah |
| OR6 | hazard ah |
| OR6.2 | . unsafe environment ah |
| OR8e | accident ah |
| OR8.2e | . accidental fall ah |
| OR8.4e | . drowning ah |
| OR8.6e | . choking or suffocation ah |
| OR8.8 | . chemical accident ah |
| OR8.10e | . machinery accident ah |
| OR8.12 | . vehicular accident ah |
| OR8.12.2e | . . traffic accident ah |
| OR8.12.2.6 | . . . vehicle pedestrian accident ah |
| OR8.12.4e | . . pedestrian accident ah |
| OR8.12.6e | . . rail accident ah |
| OR8.12.8e | . . aquatic accident ah |
| OR8.12.10e | . . aircraft accident ah |
| OR8.12.12 | . . other vehicular accident ah |
| OR8.14e | . fire ah |
| OR8.14.2 | . . AODR fire ah |
| OR8.16 | . explosion ah |
| OR8.16.2 | . . AODR explosion ah |
| OR8.18 | . other accident ah |
| OR10e | accident environment ah |
| OR10.2e | . domestic accident ah |
| OR10.4e | . workplace accident ah |
| OR10.6 | . sports accident ah |
| OR12e | accident factor ah |
| OR12.2 | . AOD use as accident factor ah |
| OR12.4 | . Monday syndrome ah |
| OR14 | response to accident ah |
classification thesaurus glossary dictionary definition subject heading list ontology vocabulary knowledge structure knowledge organization terminology concept