Elsewhere in Asia:Cooking with biogas in the Philippines (1985)
Elsewhere in Asia: Stirring a Chinese design digester in the Philippines (1985) I saw no sign of much worry about stirring when in China.
Elsewhere in Asia: Completed inlet, outlet, and digester dome of a concrete Chinese-design system in the Philippines – ready to backfill up to a couple inches from the top of all three. (1985)
Elsewhere in Asia:Construction materials collection and transfer system at the school in Chhoprak in the central hills of Nepal (1976)
Elsewhere in Asia: Construction materials collection and transfer system at the school in Chhoprak in the central hills of Nepal (1976)
