Iām designing a new jewellery box and the lining must actively guard silver and gold pieces against tarnish for years. The top priority is proven anti-tarnish performance; aesthetic flair or extreme toughness only matter if they do not compromise that goal… (Budget: $30 – $250 USD, Jobs: Market Research, Product Design, Product Development, Research and Development, Supplier Sourcing, Technical Writing, Textile Engineering)
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