perfect diamagnetism can maintain after you deactivate the field with out tech: Lenz's law
starting perfect diamagnetism is a bit smaller
tech: Meissner effect - makes perfect diamagnetism much bigger
plasma-bot removes plasma field
plasma-bot uses much less energy and does a bit more damage
plasma jet requires 1 research, increases range 50% (was 30%)
tech microextruder does 30% more damage and uses 10% more energy
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