Which of the following was a large scale industry in the 19th century?

In the United States, the first cargo of ice was sent from New York City to Charleston in 1799, and by the first half of the 19th century, ice harvesting had become big business. Ice was imported into England from Norway, Trieste sent it to Egypt, and Switzerland to France. Ice production is still a large business, though the ice is no more harvested from lakes. In 2002, there were 426 commercial ice-making companies in the United States.