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Preloader, buffer shapes symbols. Fading transparent circles
A gas gauge shows almost low petrol level
Mobile oxygen tank and regulator with gage meter for give oxygen to the patient or people with oxygen deficiency or hypoxia, Medical equipment for respiratory system, Isolated white background
Iot Smart Home Concept - rear view of asian woman ask digital tablet to set temperature of air conditioner more higher by voice at home and all the electric meter in house getting energy-efficient
residential gas meter and pressure regulator
Electric meter kWh symbol, Concept cost of living, energy crisis, high bills, price increase

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