Useful sites I've found on the internet.  Some keep disappearing and so I have decided to host these pages myself.
The vast majority of these pages are not my own work, where applicable I have included credits & links to the originators.

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Engineering & Technical

• Metric & Imperial Converter
• Number Base converter
• Internal Combustion Engines

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Words & Script

• Online Dictionary
• Complaint Generator

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General Knowledge

• Wikipedia