The igwe anaghị agba nchara spring waya nke pulley waya ịbịaru igwe na-ọtụtụ ebe na mpaghara dị iche iche nke mba aku na uba, dị ka ụgbọala, ngwá electronic, kwa ụbọchị mkpa, switches, ígwè, metallurgy, ìhè ụlọ ọrụ, wdg The kwa afọ uto ọnụego nke obodo m mmiri. akara ngwaahịa...
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