1.Tyres also contain sulphur, which is added as part of the process of vulcanisation that makes rubber into a suitably resilient material.
轮胎中也含有硫，是在硫化过程中加入的，让橡胶有更好的回弹性。
2.Condom manufacturing was revolutionised by the discovery of rubber vulcanisation by Goodyear (founder of the tyre company) and Hancock.
在Goodyear（轮胎公司）和Hancock发现了橡胶原料后，避孕套生产业进行了彻底改革。
3.Vulcanisation is a process, which turns the rubber into a strong elastic material. 23
Vulcanisation是一个过程，可以将橡胶转化为坚韧的物质。
4.vulcanisation process and the components of the recipe
硫化过程和配方成分–