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1·The props in the north are carved out of cowhide, sheep skin or donkey skin, while in the south the props were skeletons glued with paper and later were replaced with thin cowhide.

北方皮影一般是用牛皮、羊皮或驴皮雕刻而成，南方皮影最早是用纸糊裱成衬壳，后改用薄牛皮雕刻而成。

2·This paper have studied vegetable tanning technology of cowhide light leather with modification volanea extract for chief tanning agent and with yellow cow taw for raw skin.

探索了用橡木宛栲胶植鞣黄牛皮沙发革的工艺，分析测试了所鞣坯革的物理及感观性能，为植鞣牛皮轻革产品提供了一些理论与实验依。