This paper proposes that industrial waste be regarded, in a business economic sense, as having the same basic status as regular products. A basic mathematical expression for assigning industrial costs to waste is presented. The expression can be employed in conjunction with cost-benefit analysis for estimating the “true” internal costs of industrial waste. In two case studies presented, industr...

Aalto University, P.O. Box 11000, FI-00076 Aalto www.aalto.fi Author Pekka Alahuhta Name of the doctoral dissertation Shared Artefacts and Virtual Worlds in Computer-Mediated Creative Collaboration Publisher School of Science Unit Department of Industrial Engineering and Management Series Aalto University publication series DOCTORAL DISSERTATIONS 51/2015 Field of research Leadership, organizati...

BACKGROUND The purpose of this study was to determine the prevalence and pattern of ocular injuries among industrial welders and rate the use of protective eyewear at work among industrial welders in Port Harcourt. Information from this study will provide a database for effective policy formation on prevention of occupational eye injuries in Port Harcourt Rivers State. METHODS A cross-section...

Industrial symbiosis (IS) is a subdiscipline of Industrial Ecology that aims to bring together companies from different sectors to share resources, namely energy, materials, and water. The main goal of IS is to improve resource (materials, waste, energy) efficiency and lead to mutual environmental, financial and social benefits to participants. In this paper we present a semantic approach for I...

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This is the first of a series of papers in which we describe social relationships among mentally disabled adults who worked in four sheltered workshops. In this paper, procedures for observing and interviewing clients and for interviewing staff members were described, and data on reliability and general levels of social behavior were reported. Reliability of social behavior was significant acro...