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Thermochromic lunch box / Thermochromic lunch box

Thermochromic lunch box

Nowadays, because of the popularity of food delivery in Taiwan, some office workers likes to order lunch through the delivery app for convenience.

However consumers do not know how long will it take to deliver. Also, some people may not eat immediately after receiving their foods. We wouldn't know how many bacteria have grown during this time.

University

Tainan University of Technology

Tainan University of Technology
Tainan, Taiwan

JIE-CHAO ZHANG,
Tainan University of Technology