acid acid
chemical produs chimic
chemical element element chimic
coal cărbune
cotton bumbac
dust praf
earth pământ
fat grăsime
glass sticlã
glue clei
grain bob
ice gheaţă
iron fier
leather piele
liquid lichid
matter materie
| | metallic element metal
oil petrol
poison otravă
powder praf
sand nisip
silk mătase
soap săpun
steel oţel
wood lemn
wool lână
|