A.0.5t B.1t C.2t D.2.5t
A.2.5%~12.0% B.2.0%~12.5% C.2.0%~12.0% D.2.5%~12.5%
A.2; B.3; C.4: D.5。
A.12% B.15% C.18% D.20%
A.把防護門關好 B.穿戴防護用品 C.遠離成型機