一楼的答得非常到位了，采纳吧，我本来想答得，一看，有了
1: every product have to undergo a28quality technology to build from
2: Design
3: material selection
4: since version
5: Die
6: mold
7: they die
8: polishing
9: pure handmade mosaic
10: electroplating
11: quality inspection
Jewelry maintenance
1: avoid sweating when worn
2: clean with a soft cloth jewelry
3: when the wearer avoid scratches
4: to sleep to avoid wearing
5: avoid chemicals
6: take a shower to avoid wearing
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