Extensive mineral deposits also exist, but exploitation is hindered by poor transportation. The men are skilled in carpentry and woodcarving but have never learned to smelt metal. The women tend to the house and gardens, and gather ferns, fruits, and medicinal plants. Having never learned to weave, the women trade with the Chinese for cloth, metal goods, and pottery. Medical and educational services are relatively well developed and are largely financed by revenues from petroleum production.
Education is free, but instruction is provided only in Malay, English, or Chinese.
All of the Bisayan Tutong converted to Islam a great many years ago. Yet, many old customs linger, especially among those of the older generation who never attended school. Although the villagers have become Muslim, they still hold occasional ceremonies to appease the spirits that are believed to be associated with a collection of skulls from their headhunting days. Burial procedures include placing objects on the grave for the use of the departed in the next life. The site is sheltered by a small open wooden hut.