Primitive Technology: Downdraft Kiln
15:20
Primitive Technology: Wood Ash Insulated Furnace
13:56
Primitive Technology: New Brick Kiln Design
10:37
Primitive Technology: Crab and Fish Trap
10:06
Primitive Technology: Crossdraft kiln
12:00
Primitive Technology: Geopolymer Cement (Ash and Clay)
18:18
Primitive Skills: Forged Spades!
11:35
Primitive Technology: Iron knife made from bacteria
18:31