Cathode Ray tube – Kwụ Ọtọ Line
–E13.1407 – Cathode Ray tube – Nnennen Line Iji gosipụta cathode ray na-aga ogologo ahịrị ma enwere ike igbochi ya site na ihe ọla. Ihe mejuputara ya bu: envelopu enyo, onyogho achara, cathode, anode, nkwado nkwado.
Dee ozi gị ebe a ma zitere anyị ya
