Puzzle 34

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ClueSolution
academically specializingMAJORING
MAJORING
about living thingsBIOLOGICAL
BIOLOGICAL
powerful cutting toolCHAINSAW
CHAINSAW
righteousnessRECTITUDE
RECTITUDE
like a measuring cylinderGRADUATED
GRADUATED
major camera companyOLYMPUS
OLYMPUS
coming backRETURNING
RETURNING