วิเคราะห์โครงงานวิทยาศาสตร์และเทคโนโลยี

ให้นักเรียนศึกษาโครงงานจาก http://www.vcharkarn.com/project/ โดยตอบคำถามต่อไปนี้ (20 คะแนน)
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