Complex sentence: It is an all-purpose shallow vessel with curved sides, ranging in length from 30cm to 70cm, similar in shape to a canoe, and made generally of soft wood, such as the'bean' tree.
Split into simpler sentences: It is an all-purpose shallow vessel with curved sides, ranging in length from 30cm to 70cm, and similar in shape to a canoe. They were generally made of a soft wood, such as the'bean' tree.