Materia prima
Se ghe dixe materia prima a tuti chei materiali che i xe la baxe de la produsion de altri beni co la laorasion e co procesi industriali che i fa rivar al prodoto final che se voleva fare. Le materie prime le xe praticamente el grexo orixanale.
La materia prima la se difarensia da la materia segonda, parché, st'ultima, la deriva dal material recuparà dopo el so presedente utilixo, e esendo convegnente ridopararlo, el permete de risparmiar altra materia prima. Parlaremo in poche parole de resiclo.
Orixane de le materie prime
- De orixane vexetal: Lino, sereali, fruta e verdura...
- De orixane animal: lana, late, carne, pele...
- De orixane mineral: fero, oro, silicio..
- De orixane licuido o gasoxo: acua, idroxeno, osixeno, aria...
- De orixane fosile: gas natural, petrolio, diamanti...
Materie prime inte la vita de tuti i dì
Materie prime s-cete
Materie prime smisiae
- Doparà inte el calsestruso: acua, sabia
- Doparà inte le malte: Legno, semento, calse, acua
- Doparà inte i mestieri seramici: Arxila
- Doparà inte i goti: Sabia silisea
- Doparà so la carta: Seluloxa
Corelade
Wikimedia Commons el detien imàjini o altri file so Materia prima
| Controło de autorità | LCCN (EN) sh85111583 · BNF (FR) cb11950813f (data) |
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