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materials with different densities, water, ice, oil and stone
Top view blue plastic bottle caps.Recycling collection and production processing plastic bottle caps background ,Industrial production of bottle caps made of blue high-density polyethylene.
HDPE polyethylene pipes. Black pipe for water supply on pavement. HDPE pipes, plastic pipes lie on the pavement ready for installation and improvement of the water supply system.
attractive female bartender rates white wine, looks at its color, evaluates acidity of an alcoholic drink, stands in cellar on shelf with different wines background.
A plastic bottle is a container typically made from polyethylene terephthalate PET or high-density polyethylene HDPE , although other types of plastics may also be used.

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