Igwe nyocha karama okpukpu abụọ nke ọkara akpaka

Ọrụ dị ike: enwere ike iji ya mee akara na plane, arc surface na concave plane nke ọrụ dị iche iche; Enwere ike iji ya mee akara na ọrụ nwere ọdịdị na-adịghị mma;

Akara ziri ezi: PLC+ akara ngosi nke na-eji usoro nzọụkwụ kwụ ọtọ na-eme ka e nwee nkwụsi ike dị elu na nnyefe akara ziri ezi; Usoro nri ahụ nwere ọrụ brekị iji hụ na eriri akara ahụ na-agbatị ma chọpụta nke ọma ọnọdụ akara ahụ; ihe ndozi gburugburu akara ngosi nwere ike igbochi mmegharị aka ekpe ma ọ bụ aka nri nke akara ngosi;