common.size 6x4A quick way to prevent units from sneaking by a rarely used path without investing a lot of infrastructure.
Configured to use a flare to deliver thorium then graphite to ensure a backup supply. Switch to a higher capacity unit if needed. 125 250 110 50 335 175 1025 250 tags.planet(tags.serpulo)tags.version(tags.v7)tags.time(tags.mid-game)tags.type(tags.logic)tags.type(tags.defense)tags.position(tags.any)