History of salt English places carry the suffix and are historically related to salt, including the four Cheshire 'witches' of Middlewich, Nantwich, Northwich and Leftwich (a small village south of Northwich), and Droitwich in Worcestershire. Middlewich, Nantwich, Northwich and Droitwich are known as the "Domesday Wiches" due to their mention in the Domesday Book, "an indication of the significance of the salt-working towns in the economy of the region, and indeed of the country". Salt was very important to Europe because it was hard to trade with Africa and they needed to produce it themselves. Monopolies over salt production and trade were essential
Mining engineering and management, or as an equipment and mineral salesperson. In addition to engineering and operations, the <nowiki>mining engineer</nowiki> may work as an environmental, health and safety manager or design engineer. The act of mining required different methods of extraction depending on the mineralogy, geology, and location of the resources. Characteristics such as mineral hardness, the mineral stratification, and access to that mineral will determine the method of extraction. Generally, mining is either done from the surface or underground. Mining can also occur with both surface and underground operations taking place on the same reserve. Mining activity varies as to what