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1. Scope This part of ISO 4254 provides guidelines regarding the prevention of accidents arising from the use of tractors and indicates appropriate parameters to be met when designing tractors. It also specifies technical means of improving the degre

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1. Scope This International Standard specifies the minimum access openings on earth-moving machinery as defined in ISO 6165 for (a) hand access, (b) head access, (c) body access, (d) arm access, (e) two-handed access. It provides engineers and

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