the first key rule of lifting is to

the first key rule of lifting is to always keep your back in an upright position and lift without
twisting. You can lift and carry significant weight without injury as long as you back is in the proper
upright position.

ผลลัพธ์ (แอฟริกา) 1:

Die eerste reël van die opheffing van sleutel is om altyd jou terug in 'n regop posisie en lig sonder.
draai. Jy kan 'n beduidende gewig oplig en voer sonder besering Solank as wat jy is terug in die regte.
regop posisie.