studies show that chlorofluorocarbons (cfcs) such as cfc-12, are contributing to the depletion of the stratospheric ozone layer. True or false?

Journeyman training is usually related (clo2) a)-to specific tasks b)-to cost analysis of maintenance task c)-to control process to ensure quality d)-to installation of machinery

Machinery that is a key part of the process and without which the plant or process cannot function is classifed as: (clo4) a)-critical machinery b)-essential machinery c)-general purpose machinery d)-none of the specified options.

Inspection for bearing condition will include: (clo4) a)-color b)-smell c)-size d)-none of the above