Small business self-certification, a one-year certification which requires annual renewal, is a prerequisite for verification as a Small Diverse Business. Visit smallbusiness.pa.gov for program guidelines, Frequently Asked Questions (FAQs), and step-by-step instructions for the self-certification process.
The main uses for coal are Fuels, Plastics and Electricity.
Coal was the backbone to the industrial revolution. Without it the industrial revolution would have never been the same. Coal was a unlimited resource that great Britain obtained and used to fuel the steam engine, trains, boats and tractors. Through coal the iron industry made. Coke was taken from coal and used to burn away impurities in crude iron. This made they iron of much high quality. This iron was used to build new machines and especially trains.