Answer
Ana amfani da Beryllium Copper (yawanci Alloy 25) don riƙe zoben da ke buƙatar haɓakar wutar lantarki da halayen rashin maganadisu. Yana da ƙarfin gajiya mai girma kuma ana iya taurare bayan ya samar da matakan da ke gabatowa da karfen carbon ($ S_u \ kimanin 1300$ MPa). A cikin kayan lantarki, yana aiki da manufa biyu: riƙe kayan aikin injiniya da samar da hanyar kariya ta EMI/RF. Ƙarƙashin ƙarancinsa ($ E \ kimanin 128 $ GPa) yana ba da damar sauƙi shigarwa akan ramuka ba tare da nakasar dindindin ba idan aka kwatanta da bakin karfe.