Use 5 Wooden Planks to craft a will need 5 Treetaps total, one for extracting Sticky Resin and four for crafting an Extractor, but wait until later to make the other four to save space.. Now, extract 6 Sticky Resin from the Rubber trees are somewhat random, but I can tell you they're most abundant in Swamp biomes and they never grow in Desert biomes.
Tutorial:First Steps IndustrialCraftWiki
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