1. Yichang is rich in tung oil and lacquer.

2. The umbrellas on the long chair still smelt of fresh tung oil.

3. The main products of the district are wool, cotton, timber and tung oil.

4. Tung oil, also called China wood oil or nut oil, has traditionally been used in lamps in China.

5. The tung tree is valued for tung oil, which is derived from the seeds of the tree.

6. The test for properties showed the binders could substitute for tung oil binder to affix the class I mold and core.