hat
1. Pandan Dezyèm Wall Ⅱ 1939-1945, tankou yon plèksiglas espesyal, Acrylic te premyèman lajman itilize kòm vit machin-pou avyon lagè ak tank, lavi sèvis li yo te plis pase 10 ane ki poko gen anviwònman grav.
eng
1. During World Wall Ⅱ 1939-1945, as a special plexiglass, acrylic was firstly widely used as windshield for war planes and tanks, its service life was more than 10 years under severe environment.