arabera Yefferson Stiven Alvarez Cruz 7 years ago
340
Honelako gehiago
by Anahy Guillen
by Ana Hurtado
by IRINA JUDITH TAPIAS MARTINEZ
by Paulina condori vilcanqui
Poliestirenos (PS)
Poliamidas (PA) , Poliestres (UP)
Polipropileno (PP)
Espumas de poliuretano (PUR)
Poliestileno (PE) , Policloruro de vinilo (PVC)