oxygen bottle

noun 0.869

oxygen cylinder

noun 0.855

oxygen tent

noun 0.741

oxygen mask

noun 0.718

oxygen gas

noun 0.703

oxygen

noun 0.701

oxygen therapy

noun 0.688

oxygenator

noun 0.668

tank

noun 0.664

fuel tank

noun 0.644

air pump

noun 0.620

tanker

noun 0.610

petrol tank

noun 0.606

air compressor

noun 0.592

gas cylinder

noun 0.591

hyperbaric chamber

noun 0.586

oil drum

noun 0.583

fish tank

noun 0.581

ventilator

noun 0.580

water bottle

noun 0.577

oxygen demand

noun 0.575

molecular oxygen

noun 0.573

iron lung

noun 0.571

gas truck

noun 0.571

dioxygen

noun 0.569

rebreather

noun 0.566

flotation tank

noun 0.564

air tanker

noun 0.561

gas mask

noun 0.559

inhaler

noun 0.554

respirator

noun 0.553

bottled gas

noun 0.553

oxide

noun 0.544

oxidizer

noun 0.544

oxygen depletion

noun 0.544

gas pump

noun 0.543

septic tank

noun 0.543

oxygen debt

noun 0.541

pressure vessel

noun 0.539

aqualung

noun 0.535

oxygen deficit

noun 0.532

water tower

noun 0.531

compressed air

noun 0.531

ballast tank

noun 0.531

fire extinguisher

noun 0.530

gasometer

noun 0.528

hot water heater

noun 0.527

air mattress

noun 0.526

oximeter

noun 0.524

water heater

noun 0.521

air chamber

noun 0.519

water butt

noun 0.519

water drum

noun 0.519

nitrous oxide

noun 0.519

hyperoxia

noun 0.519

water box

noun 0.516

hot water bottle

noun 0.515

oil gas

noun 0.515

pump

noun 0.514

ozone

noun 0.514

nebulizer

noun 0.514

gasholder

noun 0.512

air purifier

noun 0.512

tank top

noun 0.511

chemical toilet

noun 0.511

vaporizer

noun 0.511

tank farm

noun 0.509

vacuum pump

noun 0.507

spirometer

noun 0.507

oxyacetylene torch

noun 0.507

hypoxia

noun 0.506

gasoline

noun 0.506

fire bucket

noun 0.504

oxyfuel

noun 0.502

battery

noun 0.501

autoclave

noun 0.501

ozone therapy

noun 0.501