15: What was London's rank in the world during the 19th century? London was the largest city in the world until it was beaten by New York in 1925. 16: Which 2 cities challenged its dominance towards the end of the 19th century? Paris and New York 17: Which famous writer wrote about London's poor (Oliver Twist)? Charles Dickens 18: When were the Metropolitan Police established and what were their two nicknames? In 1829 and the force gained the nickname of "bobbies" or "peelers" named after Robert Peel. 19: When did the first railway to be built in London open? The first railway to be built in London was the London and Greenwich Railway a short line from London Bridge to Greenwich, which opened in 1836. 20: What effects did the railways have on London? A new network of metropolitan railways allowed for the development of suburbs in neighboring counties from which middle-class and wealthy people could commute to the centre. While this
ity treatment, during peeling, slicing, and and products containing peroxyacetic acid repackaging operations. In general, the con- (Table 15.2). tamination sites in meat- and poultry- Rotating sanitizers periodically is usually processing plants are mainly the food-contact a good practice, as it will provide more surfaces and processing machines: convey- effectiveness against L. monocytogenes as ors, slicers, peelers, dicers, and brining and well as other bacteria. The frequency of packaging machines. cleaning and sanitizing the equipment and Experience in cold-smoked pork products the environment of a plant depends upon the processing establishments indicates that con- experience and the microbiological data. tamination of the finished product appears to Suggested frequencies are shown in Table mostly be due to L. monocytogenes strains 15.3.
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