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2 Results for "air quality"
Food dehydrator - simple and cheap
Project
by
shlonkin
Food dehydrators are conceptually very simple. Let's see if they are that easy in practice.
77
63
Cellulose composite building material
Project
by
Ampeater
Made of 60% waste wood, 20% recycled foam, and 20% portland cement this material is lighter than concrete, insulates, and is fire resistant.
4
2