1. Akunasidingo sokulawula ukuphakama kwezihloko ezimbili zomshini lapho isikhunta sidinga ukushintshwa, asikho isidingo sokuhlangana noma ukuhlukanisa amaketanga okulahla izinto ezibonakalayo nokwenziwa kwe-hopper. Yehlisa isikhathi sokubuyiselwa kwesikhunta amane emaminithini angama-30 akhona.
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Idivayisi ye-3.Original Unilateral Swilateral Swilal Swing ukuvikela kabi umshini ukunyakazisa kabi, kanye nokungashintshisani kwesondo lesandla ngesikhathi sokugijima komshini kungavikela ukuphepha kwe-opharetha.
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