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.
Dalmia Cement is the cement manufacturing division of the Dalmia Group that was established in 1939. Over 70 years of operations in the Indian cement industry, Dalmia Cement today has grown to be placed amongst the top cement companies in India. The company has manufacturing facilities in Andhra Pradesh and Tamil Nadu with a combined production capacity of over 90 lakh tonnes of cement per year.