I think that the suit itself should have a few built in emergency tools, and your backpack could be used as a very basic constructor. To use it you would need to take it off and set it on the ground. If you placed it in a water source, it would generate O2. The "backpack" would be more efficient in the daylight opposed to darkness. The hand tools would be an extremely less powerful version of the standalone tools. The hand tool would activate when you select your hand icon in the GUI. That...
Starting fresh - you and your multifunctional suit
Starting fresh - you and your multifunctional suit