The people who speak Bumtapkha, Mangdepkha and Khengkha respectively inhabit the central areas of Bhutan. The Bumthaps cultivate buck wheat, potatoes and vegetables. A section of this population also rear yaks and sheep and produce fabrics of wool and yak hair. The Mangdeps depend on cultivation of rice, wheat, maize, vegetables, etc besides rearing domestic animals. The Khengpas are also dependent on agriculture much like the Mangdeps, however, they are also known for the bamboo and cane craft.