Development of Spent Coffee Ground Eraser Green Products and its Investigation on Interviewee Recognition
碩士 === 遠東科技大學 === 餐飲經營與安全管理研究所 === 107 === There are more than 15 tons of eraser per year used by primary school stationery items, however, 95% of commercial "erasers are made by polyvinyl chloride (PVC). The burned PVC eraser can produce poison "Dioxin", which affects health and dama...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Others |
| Language: | zh-TW |
| Published: |
2019
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| Online Access: | http://ndltd.ncl.edu.tw/handle/9c8sbd |