Tawg-Proof teeb Radiate

xub thawj, Pom teeb yog ib daim ntawv ntawm electromagnetic tawg, Tab sis hom tawg tam sim no muaj tsis muaj feem rau tib neeg lub cev.

Explosion-proof teeb yog tsim thiab ua raws li kev ruaj ntseg qauv, Li ntawd, yog tsis muaj kev txhawj xeeb thaum uas siv lawv.