Assign to group Assign the selected mech(s) to another control group under their current mechanitor overseer. However, a {0} can build this. Adopt Adopt this baby as a colonist. The baby will instantly become one of yours. Choose mech color... Pollution removal area Designate an area where colonists will manually clean polluted terrain. Cleaning the terrain removes pollution from the ground and packages it into toxic wastepacks which can be carried away. Clear pollution removal area Removes the pollution removal area. Colonists will no longer manually extract pollution from the terrain in this area.