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The constitutionality of section 43 of the Canadian criminal code, which provides a defense to the use of reasonable and corrective force on children, has been challenged. The Canadian Teachers' Federation argues that the case is not about spanking, but about enabling teachers to maintain order and create a positive, effective learning environment. Gives examples of common physical interventions. (TD)

The article discusses the method developed by Equipment Engineers at Texas Instruments GFAB facility in Greenock, Scotland, for polymer defect reduction in plasma metal etch systems. It is noted that the method increases the preventive maintenance interval and decreases associated Preventive Maintenance (PM) costs. It is noted that Fab Yield (PY), Tool Availability (Ao) and Cost of Ownership (CoO) were hampered by the problem of polymer flaking on plasma metal etch systems.