Ọla kọpa nwere Cu-Sn-P dị ka isi ihe na-eme ka a na-akpọ tin-phosphor bronze strip. Phosphor Bronze Strip bụ alloy ọla kọpa nwere ma tin na phosphorus. Ọ na-egosipụta ike dị elu, nkwụghachi azụ, nguzogide corrosion, conductivity eletriki, na ngbanwe dị mma. Ọ bụ alloy na-eguzogide ike ọgwụgwụ. Ntinye nke tin na-enye phosphor bronze ike ya agbakwunyere, na phosphorus na-enye ya nkwụsị nke ukwuu. Dị ka ezigbo onye na-ebubata phosphor bronze strip, anyị na-enye ihe mkpuchi bronze tin phosphor na ezigbo mma, nke enwere ike iji na oghere CPU. igodo ekwentị mkpanaaka, ọdụ ụgbọ ala, njikọ, njikọ eletrọnịkị, njikọ elektrọn, bello, efere mmiri, efere esemokwu harmonica, akụkụ akụrụngwa na-eguzogide, na akụkụ Antimagnetic, akụkụ ụgbọ ala, akụkụ eletriki nke igwe.