We describe a subject who developed asthma symptoms 2 yrs after being employed at a plant where metals were galvanized in heated zinc. The subject was not atopic. Baseline spirometry was normal three months after he left work but there was mild bronchial hyperresponsiveness to methacholine. Monitoring of forced expiratory volume in one second (FEV1) during a day at work showed a maximum fall in...

Manufacturers around the globe are competing for the identification of innovative value propositions to survive in the competitive and complex market. This paper is intended to investigate implementation of Value Engineering (VE) technique into the product design concept for necessary changes in design of the humidifier system in order to lower unnecessary costs and to increase quality of the p...