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...work and why this is important to our choice of drinks, and go in search of the best hangover cure. The Open University would really appreciate a few minutes of your time to tell us about yourself and your expectations for the course before you begin, in our optional start-of-course survey. Once you complete the course we would also value your feedback and suggestions for...

...work. All this is because of the ‘headway’ – what the station’s control team call the turnaround time between getting trains in and out of the station. In order to keep this massive operation on schedule, they must keep the headway period to the minimum time possible. In peak hours, trains enter and exit each platform every three minutes and thirty seconds....

...working at a nickel-cadmium battery factory) can give you yellow teeth. Dogs dosed with thalidomide reportedly end up with yellow-green bones. Some folks even suspect eating a lot of carotene-rich foods such as carrots or sweet potatoes can turn your bones yellow. Yellow tetracycline antibiotics can cause teeth and bones to acquire a yellow-green-brown colour (one paper I...

...work (steel, copper, tinplate) General sheet-metalwork (brass, galvanised sheet) K, F, R, G, B, M, C K, F Automotive Heat-exchangers, automotive radiators, refrigerators Auto-body patching and filling G, J C D Others Capillary plumbing joints Dip-soldering (non-electrical) Coating (pre-tinning) Food-can soldering K, F, G C, D, N K, G K, F, G Design: Optimum gaps are...

...work hardening of the materials. High tooling costs and high capital expenditure require high volume production: e.g. <0.5 kg components, 30,000 year-1 (min.); 0.5–1.0kg, 15,000 year-1 (min.). Tolerances: diameter 0.1–0.2 mm length 0.6–3 mm flange thickness 0.2–0.4 mm Shape limitations lumpy shapes eccentric and asymmetric shapes sharp edges undercuts too deep,...