Da farko, bari mu dubi karfe gears, wanda yafi nufin wani bangaren tare da hakora a kan baki, wanda zai iya ci gaba da watsa motsi, da kuma a cikin wani nau'i na inji sassa, wanda ya bayyana da dadewa.Don wannan kayan, akwai kuma tsari da yawa, kamar haƙoran gear, t ...
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