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RENEWABLE
A renewable resource is a natural resource that can be restored by natural processes at a rate greater than that of consumption by humans.  Solar radiation, tides, wind and hydropower are perpetual resources that are not in danger of being depleted in the long term

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TOXIC
Toxicity is the ability of a chemical substance to produce harmful effects on a living being, when in contact with it.  Toxic is any substance, artificial or natural, that has toxicity

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RECYCLABLE
Recycling is a process whose objective is to convert waste into new products or raw material for later use.

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RUSTING: Oxidation, which is what takes place when combustion has made an appearance, releasing significant levels of heat.  It usually occurs, fundamentally, in what are elements that have hydrogen or carbon.

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opaque:That prevents the passage to the light

, transparent,: let in all the light

semitransparent: let out a little light

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definition: From heat or temperature or related to them.

thermic conductivity, fusibility, weldability, expansion

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elasticity: Elasticity is the sensitivity of variation that one variable presents to the changes experienced by another.

plasticity:Plastics are synthetic materials obtained through polymerization reactions from petroleum derivatives.  They are organic materials, just like wood, paper or wool.

malleability: característica de los metales que permite la obtención de láminas muy delgadas. Con el calor aumenta la maleabilidad. Los metales más maleables, en orden de mayor a menor maleabilidad, son los siguientes: oro, plata, platino, cobre, estaño, plomo, zinc, hierro y níquel.

ductility: Ductility is the property of metals to form wires or threads of different thicknesses.

hardness:Hardness is a specific magnitude of matter that characterizes local deformation, concentrated in a small volume of its outer surface of a material or characterizes the resistance that a material opposes when trying to be scratched or penetrated by another.

tenacity:Toughness is a property of materials that consists of the ability to absorb deformation energy in large quantities, before undergoing breakage.

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conductor: an electrical conductor is that material that offers a low resistance to the movement of an electrical charge.

non-conductive: Wood, plastic materials, and rubber do not conduct electricity.  Therefore, they are called "non-conductors" or "insulators."

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PHYSICAL, CHEMICAL, ECOLOGICAL

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- RAW MATERIALS- MATERIALS- TECHNOLOGICAL PRODUCTS

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- RAW MATERIALS- MATERIALS- TECHNOLOGICAL PRODUCTS