DEVELOPMENT OF TRANSPARENT AIR MASK BASED NATA DE COCO
Transparent air masks are indispensable for pilgrims when ihram activities. In this research, nata de coco was used as the basic material. Nata de coco is a safe material. Nata de coco was made of coconut water, acetic acid, ZA, sugar and bacteria Acetobacter xylinum which had been grown previously....
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| Format: | Theses |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/22341 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |