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Say we had the following stuff for field engineering:
>Expanding foam thats as hard as reinforced concrete and hardens in 10 or less seconds
>Spray that gives properties similar to kevlar to material It is applied to, so you can make field flakjakets out of leafs
>Kind of spray that hardens into whats basicaly level 4 plates but doesnt expand, its very good at stopping heavy rounds though
>Pre made camo spray with optical multicam, ir tiger stripes to break up the silohuete and radar absorbing properties.
What would be the better delivery mechanism