How It's Made simplify overdubbing in different languages. For example, the show currently avoids showing a narrator or onscreen host, does not often have employees of featured companies speak on camera, and keeps human interaction with the manufacturing process to a bare minimum. An off-screen narrator explains each process, often with humorous puns. Each half-hour show usually has three or four main segments, with each product getting a demonstration of approximately five minutes; exceptions are allowed in the allotted time for more complex products. Usually, every show has at least one product with a historic background note preceding it, showing how and where
Chester Rows the residents. In some cases, where the hall was larger, there were several shops on its frontage. Below the Rows, at street level, were crypts or undercrofts. Many of these were stone-lined with ribbed vaults, and they were used for storage or for selling more valuable goods. Behind the hall, on the level of the Rows, was more domestic accommodation. Normally the kitchen was a separate building in the yard behind the house. The back yard was also used for cesspits and for the disposal of rubbish. Although many of the Rows are still continuous, in some areas they have