Firsthand Knowledge Law and Legal Definition Firsthand knowledge refers to something which the witness actually saw or heard, as distinguished from something he learned from some other person or source. It is also a knowledge that is gained USLegal Home
Kapuas River. Not to be confused with Kapuas River (Barito River). The Kapuas River (or Kapoeas River), is the longest river in Indonesia part of Borneo island, at the geographic center of Maritime Southeast Asia. At 1,143 kilometers (710 mi) in length, one of the world's longest island rivers.
Worldâs Most Polluted River. Citarum River, Indonesia, has been called the worldâs most polluted river. Around 5 million people live in the riverâs basin, and most of them rely on its flow for their water supply. Citarum River has an important role in the life of the people of West Java, as it is used to support agriculture, water supply, fishery, industry, sewerage, electricity etc.