Equivalent exchange - disabled on server Beekeeping, Backpacks.. - not available in SMP Some Redwire circuits - ?? > Toggle latch for example Quantum Leggings - ??, SOLVED: Use CTRL > Supposed to give 3.5x sprint speed Obsidian Pipes - ?? > Should suck items if powered by an engine. Tried several scenario's including conductive pipes. Advanced Wooden Pipes - ?? > Crashes client when right-clicked. Sometimes happens with Teleporter Pipes too Steel Ingots - ?? > Part of Minefactory Reloaded. There's loads more probably. I might be doing things wrong but if you could check some of these things out that's be awesome.