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Oliker, L. Richard; And Others – 1993
The manufacturing process used to produce printbands for International Business Machines, Inc. involves a photolithographic process in which the stainless steel panels are chemically machined using strong ferric chloride etching solution containing hydrochloric acid. The waste material that results from this chemical reaction is a solution…
Descriptors: Case Studies, Computer Printers, Cost Effectiveness, Hazardous Materials
Peer reviewed Peer reviewed
Tinto, Patricia P.; And Others – Mathematics Teacher, 1994
Presents a case study which describes the experiences of two classroom mathematics teachers and the impact that their own research has had on themselves as teachers; traces their entry into the world of research beyond the classroom. (19 references) (MKR)
Descriptors: Action Research, Case Studies, Classroom Research, Educational Researchers