Early resins were made from raw materials such as the oils from Soya Beans, Flax Seeds, China Tung Nuts, Safflower seeds, Cottonseeds, and even Sardines!
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美
- 早期的树脂产生于原材料,像从大豆中提炼出来的油,亚麻的种子、中国的油桐果、红花种子、棉籽和沙丁鱼。