Rice Husk
Rice husk is the outer protective layer of rice grains. It is a byproduct of rice milling and is typically discarded or burned.
Charcoal
Charcoal is a carbon-rich product obtained through the process of heating wood, coconut shells, or other organic materials in the absence of oxygen.
Coconut Cake
Coconut cake is a byproduct of coconut oil extraction. It consists of the residual coconut meat after oil extraction.
Groundnut Cake
Groundnut cake, also known as peanut cake, is the residual product left after extracting oil from groundnuts (peanuts).