👉 Vulcanisation is a process in which a solid material, such as coal or iron, cools and hardens into a new material called a vulcanite. This process can be used to create various types of tools and appliances from coal or iron.
👉 Vulcanisation is a process in which a solid material, such as coal or iron, cools and hardens into a new material called a vulcanite. This process can be used to create various types of tools and appliances from coal or iron.
