Open-pan salt making from lead using wood as a fuel. In Britain they established towns for salt production at Droitwich in Worcestershire, and Nantwich, Middlewich and Northwich in Cheshire. In the early Middle Ages these developed into the 'wich' towns of Cheshire. Small 'wich' houses containing several lead pans to evapourate the brine into salt, clustered around brine springs within each of the towns. The open-pan process continued largely unchanged throughout the medieval period. A 17th-century German wood-cut by Georgius Agricola shows the process in detail. Excavated evidence has uncovered wooden rakes to draw salt crystals to the side of the pan, and
Suffix (name) Therapy) which is a qualifying degree. UK physiotherapists prefer to use MCSP or SRP to denote membership to professional bodies. RN is used by qualified nurses as a suffix. Officers and enlisted in the United States Military will add an abbreviation of the service frequently to disambiguate seniority, and reserve status. For example, Captain Smith, USN (O-6), outranks Captain Jones, USMC (O-3). Members of religious institutes commonly use their institute's initials as a suffix. For example, a Franciscan friar uses the post-nominal initials "O.F.M.", derived from the Order's name in Latin, "Ordo Fratrum Minorum" (Order of Friars Minor). Equally, a