"ekologisuus" - Selaus asiasanan mukaan Julkaisut
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Promoting natural materials
Turun ammattikorkeakoulun raportteja : 141 (Turun ammattikorkeakoulu, 2012)What are natural materials? Basically, every material is originally natural. Even humans are composed of pure natural materials. We need better definitions like ecological materials, local materials, renewable resources, ...