割草机（Lawn Mower）

◆ Buderi, Robert. “Now, You Can Mow the Lawn from Your Hammock, ”Business Week. May 14, 1990, p. 64.

◆ Davidson, Homer L. Care and Repair of Lawn and Garden Tools. TAB Books, 1992.

◆ Macaulay, David. The Way Things Work. Houghton Mifflin Company, 1988.

◆ Panati, Charles. Extraordinary Origins of Everyday Things. Harper&Row, 1987.

◆ Visual Dictionary of Everyday Things. Dorling Kindersley, 1991.

组合锁（Combination Lock）

◆ All about Locks and Locksmithing. Hawthorne Books, 1972.

◆ Combination Lock Principles. Gordon Press Publishers, 1986.

◆ The Complete Book of Locks and Locksmithing. Tab Books, 1991.

◆ Tchudi, Stephen. Lock and Key. Charles Scribner's Sons, 1993.

地震仪（Seismograph）

◆ Golden, Frederic. The Trembling Earth: Probing and Predicting Quakes. Charles Scribner's Sons, 1983.

◆ Knapp, Brian J. Earthquake. Steck-Vaughn Library, 1989.

◆ Macaulay, David. The Way Things Work. Houghton Mifflin Company, 1988.

◆ Reader's Digest: How in the World? Reader's Digest, 1990.

◆ VanRose, Susanna. Eyewitness Books: Volcano and Earthquake. Dorling Kindersley, 1992.

感烟探测器（Smoke Detector）

◆ Andrews, Edmund L. “Central System for Smoke Detection”, New York Times. February 1, 1993, sec. D2.

◆ Kump, Teresa. “What You Must Know about Fire Safety”, Parents. January 1995, pp. 44—46.

◆ “Listening for Hidden Fires”, Science News. July 24, 1993, p. 63.

◆ “Smoke Detectors: Essential for Safety”, Consumer Reports. May 1994, pp. 336—339.

◆ “Sounds Like Fire”, Discover. May 1994, p. 16.

◆ Walker, Bruce. Earthquake. Time-Life Books, 1982.

条形码扫描仪（Barcode Scanner）

◆ Adams, Russ. Reading between the Lines: An Introduction to Bar Code Technology, 4th ed. Helmers.

◆ Silverman, Larry. “Laser Scanner or Imager for Barcode Asset Tracking-Which Is Better? ”TrackAbout. com, March 9, 2016. Web. Retrieved July 17, 2017.

◆ Guissi, Sofiane. “CMOS Image Sensors（CIS）: Past, Present&Future. ”Coventor. com, June 14, 2017. Web. Retrieved July 17, 2017.