This study surveyed a sample population of manufacturing companies in Oregon. Respondents were surveyed concerning their perceptions of ergonomics and their use of ergonomic consulting services from three potential sources of ergonomic consulting services. The sources of ergonomic consulting services were the Oregon Occupational Safety and Health Administration (OR-OSHA), Workers'...
We consider some mathematical problems involving the asymptotic analysis
of rooted tree structures. River channel networks, patterns of electric discharge,
eletrochemical deposition and botanical trees themselves are examples of such naturally
occuring structures. In this thesis we will study the width function aymptotics
of some random trees as well as...