(1) Beryllium tooj liab hlau feem ntau yog siv rau xaim caij nplooj ntoos hlav, twist-pin, fuzz khawm, nthuav dav ntiv tes.
(2) C19610 yog tsuas yog siv nyob rau hauv txuas.
(3) Tooj ferro alloy feem ntau yog siv nyob rau hauv RF Shielding Net, Connectors, pwm thiab lwm yam.