(1) Beryllium terata ea koporo e sebelisoa haholo bakeng sa terata ea terata, twist-pin, konopo ea fuzz, monoana oa selemo, le lihlahisoa tse ling tsa sehokelo tse phahameng.
(2) C19610 e sebelisoa haholo ho lihokelo.
(3) Copper ferro alloy e sebelisoa haholo ho RF shielding net, likhokahano, hlobo joalo-joalo.