Sentence:  <WSD>Pingo</WSD> bearers walk to and fro with their burdens of fruit and vegetables, representing many varieties quite strange to us. The <WSD>pingo</WSD> is a long and flat piece of wood from the kittul palm, very tough and pliable. The coolie, having suspended his load to the two ends in baskets or nets, places the stave upon his shoulder at the middle, and is thus enabled by the elastic spring and easy balance of the <WSD>pingo</WSD> to carry great weights for a considerable distance. Some <WSD>pingoes</WSD> are made from the leaf-stalk of the coconut palm, which is even more pliable than the kittul. 
Meaning of the word marked with <WSD> tags:  A flexible pole supported on one shoulder, with a load suspended from each end; a carrying pole or carrying yoke.