A spasm is a sudden, involuntary contraction of a muscle, a group of muscles, or a hollow organ such as a heart, or a similarly sudden contraction of an orifice.It most commonly refers to a muscle cramp which is often accompanied by a sudden burst of pain, but is usually harmless and ceases after a few minutes. spasm is a sudden, involuntary contraction of a muscle, a group of muscles, or a hollow organ such as a heart, or a similarly sudden contraction of an orifice.
Top 10 largest Cement Producing Countries in the World. China has the first stage in the list of cement producing countries. They produce more than 2482 million tonnes. It is mainly used for construction and china is highly populated.
8 million tons per annum Project Details : Germany-based HeidelbergCement AG has announced that it is constructing a new $30 million cement mill in Takoradi, Ghana. He added that with planned near-term expansion to 20 million tons per annum described the imminent iron ore export as a significant milestone. According to him, ESI has raised rolling mill production capacity to two million tons per annum over the past year alone as part of the first phase of its expansion strategy.