Duration: 2 hours
When machines are built well, operated properly and maintained routinely, they will perform at their best, and last many generations, if not indefinitely. There are machines that were built in the industrial revolution (i.e. 19th century), which still operate perfectly. Sadly though, a neglected machine will not maintain peak operation, and can deteriorate and become useless in a relatively short time.
Please note: Course notes are provided in PDF format for your convenience and can be downloaded to print or view on your device.