Literaturnachweis - Detailanzeige
Autor/in | Ballard, David M. |
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Titel | Choosing a Motion Detector. |
Quelle | In: School Business Affairs, 56 (1990) 4, S.26-27 |
Sprache | englisch |
Dokumenttyp | gedruckt; Zeitschriftenaufsatz |
Schlagwörter | Accident Prevention; Elementary Secondary Education; Merchandise Information; School Buses; Student Transportation; Traffic Safety |
Abstract | Examines the characteristics of three types of motion detectors: Doppler radar, infrared, and ultrasonic wave, and how they are used on school buses to prevent students from being killed by their own school bus. Other safety devices cited are bus crossing arms and a camera monitor system. (MLF) |
Erfasst von | ERIC (Education Resources Information Center), Washington, DC |