• arm_link : block_manipulation.cpp , block_manipulation_actions.cpp
• block_size : block_manipulation.cpp , block_manipulation_actions.cpp
• gripper_closed : block_manipulation.cpp , block_manipulation_actions.cpp
• gripper_open : block_manipulation.cpp , block_manipulation_actions.cpp
• pick_and_place_topic : block_manipulation_demo.cpp
• z_down : block_manipulation.cpp , block_manipulation_actions.cpp
• z_up : block_manipulation.cpp , block_manipulation_actions.cpp