{"first_sentence": {"type": "/type/text", "value": "OBJECTIVES Upon completion of this chapter, you will be able to: Describe the difference between direct and distributive numerical control."}, "physical_format": "Hardcover", "subtitle": "Concepts and Programming", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "weight": "1.8 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Delmar Publishers"], "number_of_pages": 528, "isbn_13": ["9780827364981"], "id": 11067235, "edition_name": "3rd edition", "isbn_10": ["0827364989"], "publish_date": "September 12, 1994", "key": "/b/OL8170819M", "authors": [{"key": "/a/OL2852776A"}], "title": "CNC", "type": {"key": "/type/edition"}, "subjects": ["General Theory of Computing", "Tool making", "Technology & Industrial Arts", "Machine-tools", "Computer Books: General", "Automation", "Counseling - Vocational Guidance", "Programming - General", "Numerical control"], "physical_dimensions": "9.5 x 7.5 x 1 inches", "revision": 1}