In this subject is very important understand and know the technological materials, and always we think about these materials according to several factors.
SOURCES or where and how we could get them.
PROPERTIES and features.
USES, we think and study the materials in order to use them.
In this year (in 1ºESO) we study WOODS and METALS:
https://www.slideshare.net/JavierTecnologia/unidad-3-1-eso
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