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        <div id="content-top1">Page 4 - Ergonomics-Manual-for-Lifting</div>
        <div id="content-top2">P. 4</div>
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    <pre style="white-space:pre-line"><code>เธซเธเธฒเน เธ

                          เธเธ“เธฐเธ—เธฒเธเธฒเธ
เธเธฒเธฃเธเธฑเธ”เธ—เธฒเธเนเธกเธน เธญเธท เธเธฒเธฃเธเธฃเธเธฑ เธเธฃเธเธธ เธเธฒเธฃเธเธเธดเธเธฑเธ•เธเธด เธฒเธเธขเธเนเธฅเธฐเน€เธเธฅเธญเนเธท เธเธขเนเธฒเธขเธงเธฑเธชเธ”เธ”เธธ เนเธงเธขเนเธฃเธเธเธฒเธข

                      เธ•เธฒเธกเธซเธฅเธเธฑ เธเธฒเธฃเธขเธจเธฒเธชเธ•เธฃเน

1. เธเธฒเธขเธชเธเธท เธจเธฑเธเธ”เธดเน   เธเธฑเธเธ—เธงเธฒเธเธดเธ     เธเธฃเธฐเธเธฒเธเธเธ“เธฐเธ—เธฒเธเธฒเธ
2. เธเธฒเธเธชเธฒเธงเธชเธธเธ”เธเธ”เธด เธฒ  เธเธฃเธเธธ เนเธเธฃเธงเธเธจเน  เธเธ“เธฐเธ—เธฒเธเธฒเธ
3. เธเธฒเธขเธเธคเธ—เธเธดเธเธเธจเน    เธชเธฒเธกเธชเธเธฑ เธเน     เธเธ“เธฐเธ—เธฒเธเธฒเธ

เธชเธ–เธฒเธเธเธฑ เธชเนเธเน€เธชเธฃเธดเธกเธเธงเธฒเธกเธเธฅเธญเธ”เธ เธฑเธข เธญเธฒเธเธงเธต เธญเธเธฒเธกเธฑเธข เนเธฅเธฐเธชเธ เธฒเธเนเธงเธ”เธฅเธญเน เธกเนเธเธเธฒเธฃเธ—เธฒเธเธฒเธ (เธญเธเธเนเธเธฒเธฃเธกเธซเธฒเธเธ)</code></pre>
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