Automation System
The APT (automatically progra-mmed tools) language is used with:

large automation systems
None of these
drafting systems
programmable controllers
numerical controlled machines.

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Automation System
Semiconductor devices:

have a very short infant mortality period
All of these
are less reliable than electro¬mechanical components
None of these
usually have a very short MTBF (mean time between failure)

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Automation System
A semi-continuous operation means:

each operation in a sequence is continuous, but subsequent operations in the sequence may be different.
coffee breaks are allowed for the operator
a computer is a required part of the machine
None of these
the operation is continuous each shift, but stops between shifts

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