Nkọwa dị mkpirikpi:
Preform Molds: 1.Mold oghere si 1 ruo 72. 2. Electric akara usoro na simulating gbatịa ule mma mkpụrụ ọnụego.3. Nabata usoro nhazi mpaghara ụwa dị elu dipole taper, oghere nke ọ bụla na-ejide onwe ya, hụ na ebu concentricity.4. Ihe nke ebu anwụ isi na-anwụ anwụ oghere na-mere nke Sweden pụrụ iche ebu ígwè.5. International ọkọlọtọ ịghasa olu, nitrog ebubata ...