DavidWasHere

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automatic fire extinguisher

DavidWasHere 9 comments

Realistic TNT

DavidWasHere 1 comments

Realistic nitroglicerin

DavidWasHere 1 comments

Irradiated realistic nitroglicerin

DavidWasHere 0 comments

next invention?

DavidWasHere 3 comments

chazjeffery81 lighter 2.0

DavidWasHere 3 comments

Realistic Titanumm

DavidWasHere 7 comments

nuclear rocket engine

DavidWasHere 4 comments

work in progress

DavidWasHere 0 comments

Adapting alloy

DavidWasHere 0 comments

Did you know?

DavidWasHere 5 comments

Breaching explosives

DavidWasHere 0 comments