arabera Yefferson Stiven Alvarez Cruz 7 years ago
260
Honelako gehiago
by lus lozano
by Adriana Guaranga
by Alejandro Figueroa
by Daniel Mena
Poliestirenos (PS)
Poliamidas (PA) , Poliestres (UP)
Polipropileno (PP)
Espumas de poliuretano (PUR)
Poliestileno (PE) , Policloruro de vinilo (PVC)