Nchekwa Ngwaọrụ Ịkpa Akwa Castellar bụ ọtụtụ ihe nchekwa magnetik maka ngwaọrụ ịkpa akwa. A na-edobe ihe nchekwa ndị a n'elu igwe akwa, ka desktọpụ nwee ohere n'oge a na-arụ ọrụ. A na-edebe shọtụl n'akụkụ nrọ (bridge section), nke na-ebelata ohere nchekwa achọrọ n'elu tebụl ma na-eme ka otu ìgwè shọtụl zuru oke dịrị njikere maka otu ọrụ. A na-eji ike magnetik jide agịga n'akụkụ igbe (box section). Kọn nwere ntupu na-agbadata na-enye ohere iwepụta agịga na-emerụghị aka, ebe elu anọ na-ekewapụta ụdị agịga dị iche iche. A na-emepụta ihe nchekwa a site na plastik injection molding jikọtara ya na magnet.

Aha oru ngo : Castellar, Aha ndị na-emepụta ya : Fang Shih, Aha onye ahịa : Fang Shih.

Mgbe ụfọdụ ị ga - achọ ndị otu nnukwu ihe ngosi nka nwere ịchepụta ihe dị oke mma. Kwa ,bọchị, anyị na-ewepụta otu egwuregwu pụrụ iche na -enweta ihe okike na otu okike. Choputa ma choputa ihe okike na ihe okike zuru oke, ezigbo ihe ejiji, ejiji, eserese di iche-iche na atumatu atumatu atumatu ndi otu n’uwa n’uwa. Nwee ike mmụọ nsọ site na ọrụ mbụ site n'aka ndị omenkà ukwu.