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Return of empty used plastic bottles in the bottle vending machine, damaged bottle return machine, jammed bottle in the bottle vending machine, environmental protection,
Close-up of African hands picking up two dried tilapia fish from a stack at a traditional Zambian market. Dried fish is a common protein source in local cuisine and an important part of everyday meals. The image highlights informal trade, indigenous food systems, and community-based market culture in Africa.
Automated digital invoicing system displayed on a laptop with multiple invoice icons and an electronic invoice platform.
The external units of the commercial air conditioning and ventilation systems are installed on the roof of an industrial building
This 3D glass illustration highlights the intervertebral discs distributed along the entire spine of a human male, presented with a translucent glass effect.

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