As an engineering technology, industrial cleaning plays increasingly important role in production; The development of the industry not only provides effective technical services for whole society, but also has become symbol today’s social civilization. With industrialization process country and needs production life, application field is becoming more extensive. emerging dry ice characteristics...

BACKGROUND Food borne illnesses and food poisoning are cause for concern globally. The diseases are often caused by food contamination with pathogenic bacteria due largely to poor sanitary habits or storage conditions. OBJECTIVES Prevalence of some bacteria on cleaned and sanitised food contact surfaces from eight convenience food plants in Gauteng (South Africa) was investigated with the vie...

STUDY OBJECTIVE The aim of the study was to determine whether exposure to tetrachloroethylene during the first trimester of pregnancy has harmful effects on pregnancy outcome. DESIGN The study used record linkage identification of cases and case-control comparison. SETTING The study involved dry cleaner and laundry workers throughout Finland who had become pregnant during the study period. ...

The object of this study was to assess potential dermal exposure to the non-volatile fractions of paints based on studies assessing potential exposure during the painting process in car body repair shops with water-based paints. The measurements were done during filling of the spray gun, paint spraying and cleaning of the gun. Potential dermal exposure was assessed using patches and gloves as d...

INTRODUCTION There has been a surge in the number of vape shops in the USA. Research on the marketing practices of e-cigarette manufacturers is scarce and even less known are the practices of vape shop retailers. Past research on tobacco marketing has shown differences in the amount and content of marketing material, based on a community's demographic profile. This study examined marketing stra...

House dust mite allergen exposure is a postulated risk factor for allergic sensitization, asthma development, and asthma morbidity; however, practical and effective methods to mitigate these allergens from low-income, urban home environments remain elusive. The purpose of this study was to assess the feasibility and effectiveness of physical interventions to mitigate house dust mite allergens i...

It is well-known that production scheduling can be largely categorized into open and closed-shops (Graves (1981)). Open-shops are job-shops, flow-shops, machine-shops and project-shops and deal exclusively with the assignment, sequencing and timing decisions (Pinedo (1995)). Closed-shops on the other hand also deal with the same three decision-groups as open-shops but they also must decide on t...