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Kategorier: Alle - materials - elements - rubber - manufacturing

af mack1520 mack1520 3 år siden

284

Mechanical pencil

Mechanical pencil

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Food Security

Food Security

af Katie McKenzie

REASONS FOR UNEVEN DEVELOPMENT IN THE WORLD

REASONS FOR UNEVEN DEVELOPMENT IN THE WORLD

af Constance Lzq

ENVIRONMENTALPROBLEMS

ENVIRONMENTALPROBLEMS

af jose gutierrez

Plastic Water Bottles

Plastic water bottles are cheap and convenient products, but their production and waste have detrimental environmental costs.

Plastic Water Bottles Plastic water bottles are cheap and convenient products, but their production and waste have detrimental environmental costs.

af Sabeh Ayoun Abdul Rahman

Mechanical pencil

Electricity

Clay

Water

Alum

Flour

Graphite

Chemicals

Natural Graphite

Metal

Iron

Carbon

Rubber

Rubber Tree

Latex

plastic

Crude oil

Salt

Cellulose

Natural gas

Coal