Merch store here: https://suburbanbiology.creator-spring.comTHE BOOK I USED: "The Rocket Mass Heater Builder's Guide: Complete Step-by-Step Construction, Mai...
the whole thing kind works on old principles so i was thinking how antecedents would work without high quality steel. involving ceramic is probably correct
the whole thing kind works on old principles so i was thinking how antecedents would work without high quality steel. involving ceramic is probably correct