ʻO SHY-4/6 kahi rig drill core drill rig i hoʻolālā ʻia me nā ʻāpana modular. ʻAe kēia e hoʻokaʻawale ʻia i ka rig i nā ʻāpana liʻiliʻi, hoʻomaikaʻi i ka neʻe, kahi paʻakikī a palena ʻole ke komo ʻana i nā pūnaewele (ʻo ia hoʻi nā Terrains Mountain).