Automation System
Many things can be done to minimize downtime loss. Identify two of them.

None of these
both b and c
provide an extra workstation
establish a user forum program
stock critical spare parts

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Automation System
In raster-scan colour monitors, colour can be intensified by:

grouping the phosphor dots in a circular pattern
using an in-line gun arrangement with a solid metal mesh
having each electron gun controlled by separate signal
None of these
having each electron gun controlled by a composite signal

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