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STS-72 Mission Specialist Leroy Chiao (EV1), suited in extravehicular mobility unit (EMU), gives a thumbs up after completing extravehicular activity (EVA) loads evaluation on the Crew Loads Acquisition System (CLAS) sensor plate S3 on Task Plate mounted in starboard Bay 3. The earth in the background is Shark's Bay, Australia (012-17). Mission Specialist Winston Scott (EV3) sets up the starboard CLAS S3 Task Plate in preparation for his loads evaluation (018-31). Scott now stands on CLAS S3 Task Plate, assisted by an Articulating Portable Foot Restraint (APFR) Ingress Aid (AIA), and moves back and forth to induce loads (032-34). Barry and Chiao assemble the Portable Work Platform (PWP). Chiao holds the APFR and attaches it to the RMS end effector as Barry uses power tool to unstow the workstation stanchion (035-37).