Related by context. Frequent words. (Click for all words.) 51 cannister 47 canister 46 nozzle 45 spray nozzle 45 droplet 45 aerosol spray 45 Pepper spray 44 aerosol 44 rubber gasket 43 microcapsules 43 soaked rag 43 cavity 43 noxious substance 42 exhaust vents 42 impeller 42 Hydrogen peroxide 42 fixative 42 superheated steam 41 airtight seal 41 knife blade 41 ultraviolet UV light 41 Hydrogen sulfide 40 spray 40 vaporizes 40 fume hood 40 liquid 40 immobilizes 40 reactant 40 screwdriver 40 vents 40 corrosives 40 vial 40 chimney flue 40 plunger 40 spray nozzles 40 electrostatic discharge 40 oxidising 40 fire extinguisher 40 receptacle 40 antibiotic ointment 40 switchblade 39 static cling 39 knuckleduster 39 glass jar 39 dispenser 39 soda bottle 39 diverter 39 resealable plastic bag 39 noxious substances 39 butane lighter 39 squirt bottle 39 hydroxide 39 respiratory irritant 39 ionised 39 vapor 39 outer layer 39 cardboard tube 39 trocar 39 blade 39 overpressure 39 syringe 39 sprays 39 housings 39 backdraft 39 exhaust pipe 39 louvers 39 benzocaine 39 nylon stocking 39 injector 39 solenoid valve 39 hypodermic needle 39 muriatic acid 38 rubber mallet 38 exhaust vent 38 wires protruding 38 caplets 38 canisters 38 photocell 38 potassium hydroxide 38 sensor detects 38 drip pan 38 infrared beam 38 colorless liquid 38 pipette 38 toroidal 38 photocatalytic 38 re sealable 38 valve 38 noxious chemicals 38 airing cupboard 38 antifungal agent 38 toxic solvents 38 corrosive liquid 38 Velcro strap 38 thumbwheel 38 locking mechanism 37 windshield washer fluid 37 baseplate 37 Hydrochloric acid 37 atomizer 37 suppository