Oxide guides

4 guides. Every recipe and number in them follows Oxide 1.21.1-0.1.4.

• Oxide: Cement Pouring, Rebar Reinforcement, and Brick Masonry
• Oxide: Blue, Cyan, and Green Corrugated Iron Roofing and Siding
• Oxide: Heavy Iron Hardware, Scaffolds, Neutral Sheet Metal, and the Sprayer
• Oxide: Warm-Toned Corrugated Iron and Environmental Rusting