They bartered with people from the coastal areas.

The underlined word means ….

exchanged goods for other goods

They bartered with people from the coastal areas. Nowadays people can buy things such as fruit, vegetables, traditional cakes and even clothes from this ‘pasar terapung‘. Another unique feature of these markets is the time of trading. It begins around 5 a.m. and finishes at 9 a.m.

  Atomic energy can either be used to create electricity