A matter of environment. The kitchen crew will use water treatment and as a public water source flowing clear water and dry waste is waste segregation. Wet waste. By removing the wet waste into bio-gas recycled.
The Environment Catering to water use, the water flows into a public water supply. And separation of waste into wet waste, dry waste, wet waste will be recycled to make biogas.
The issue of the environment. Catering to water treatment used as water flows into the water and public discrimination garbage garbage garbage garbage will get wet by act of biogas recycle.