You're all right that safety isn't just an option anymore, and it seems like manufacturers are well aware of this fact and supporting this trend. Rockwell also just came out with some tools to help engineers navigate safety as they are designing machines: http://www.designnews.com/document.asp?doc_id=262277
Industrial workplaces are governed by OSHA rules, but this isn’t to say that rules are always followed. While injuries happen on production floors for a variety of reasons, of the top 10 OSHA rules that are most often ignored in industrial settings, two directly involve machine design: lockout/tagout procedures (LO/TO) and machine guarding.
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