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اولین مورد استفاده از تجهیزات حمل و نقل در کارخانه و انبار که به ذهن هر کسی می رسد، تخلیه و بارگیری بار در انبار است. از دیرباز جرثقیل برای تخلیه و بارگیری در انبار و کارخانه ها استفاده می شد. امروزه انواع مختلفی از جرثقیل ها مانند دستی، برقی، سقفی، بازویی و کارگاهی وجود دارد. در انتخاب هر یک از انواع جرثقیل ها نوع و فضای انبار و وزن بار دخیل هستند...
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