Reclamation
Cultivation, Pioneering
noun, verbal noun
かいたく
Reclamation 開拓 is the process of opening 開 up land for cultivation 拓
Reclamation involves removing abandoned kayaks かい, tacks たく, and other trash from the land.
Kayak かい Reclamation isn't as simple as removing tacks たく and other junk from the inside.