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Sökning: L773:0003 6870

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1.
  • Blomkvist, Anna-Christina, et al. (författare)
  • Computer use in cold environments
  • 2000
  • Ingår i: Applied Ergonomics. - 0003-6870 .- 1872-9126. ; 31:3, s. 239-245
  • Tidskriftsartikel (refereegranskat)abstract
    • This study addresses computer work in cold environments with the two-fold aim to explore conditions for such work, and to add knowledge about the use of fingers at data entry in the cold. Five workplaces were visited and work contents and use of computers are briefly described. Effects of work in the cold were in line with those mentioned in the literature, and manual lifting of heavy goods the most impairing activity. Subjects contended with strenuous working postures--holding the computers in their hands or arms--and with cold fingers. Individual fingering for data input was noted. Forefinger or a pen were used, and a pen is recommendable for input, either as a touch pen or, simply to press the keys. A supportive rack could be recommended for portable workstations.
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2.
  • Gard, Gunvor, et al. (författare)
  • Towards a learning organization: the introduction of a client-centered team-based organization in administrative surveying work.
  • 2003
  • Ingår i: Applied Ergonomics. - 1872-9126 .- 0003-6870. ; 34:2, s. 97-105
  • Tidskriftsartikel (refereegranskat)abstract
    • Within administrative surveying work in Sweden, a transition to a client-centered team-based organization was made during 1998. The aim of this study was to describe the employees’ perceptions and expectations of job and organizational practices when working as a generalist in a client-centered team-based organization; job and organizational practices and well-being and effectiveness measures were examined when introducing a team-based organization. Interventions such as courses in how to cope with the role of a generalist, how to increase service to clients, education in technology, law and economics, as well as computer information support, were ongoing at the time of the study. The Team Work Profile and QPS Nordic questionnaires were used. All the surveyors in five regions in Sweden participated, in total 640 surveyors. The transition to a client-centered team-based organization was expected to improve job control and job content but at the same time lead to impairments in job climate and group cohesion. Distress was associated with negative future expectations of the organization. High job control and group cohesion were the central contributors towards growth in personal competence and social effectiveness of teamwork. Both internal and external client-related activities of team and organization were in focus during the transition.
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3.
  • Abeysekera, John D.A., et al. (författare)
  • Ergonomics assessment of selected dust respirators : their use in the tropics
  • 1987
  • Ingår i: Applied Ergonomics. - : Elsevier BV. - 0003-6870 .- 1872-9126. ; 18:4, s. 266-272
  • Tidskriftsartikel (refereegranskat)abstract
    • The suitability and effectiveness of four different types of British made respirators were studied with respect to comfort, convenience and fit on wearers in Sri Lanka (a developing country). Objective and subjective assessments were made to evaluate the degree of discomfort and interferences to the use of senses. The study revealed that factors such as breathing resistance, work-rate and activity period affected the physiological responses. The weight of the respirator and the skin temperature had no direct relationship with the cardiovascular stress. Positive-pressure respirators that gave lower face temperatures than negative-pressure masks gave this type of respirator an additional advantage in hot environments. Respirators that restricted jaw movement affected the speech intelligibility of the wearer. Orinasal masks restricted vision more than the other types. The problem of fit was found negligible though head and face dimensions significantly differed between the British and the Sri Lankans. Subjective assessment correlated well with objective tests.
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4.
  • Abrahamsson, Lena (författare)
  • Production economics analysis of investment initiated to improve working environment
  • 2000
  • Ingår i: Applied Ergonomics. - 0003-6870 .- 1872-9126. ; 31:4, s. 1-7
  • Tidskriftsartikel (refereegranskat)abstract
    • This article describes the results of an evaluation of a new work place for ladle preparation at Swedish Steel in Luleå, Sweden. The company initiated a development project related to ladle service work, in order to come to grips with the difficult working environment and problems associated with absenteeism due to illness and occupational injuries. The evaluation was performed for the first three years after implementation of the project and it shows that the new work place considerably improved working conditions and increased both the quality and efficiency of production. The purpose of this article is also to discuss some methodological problems. The follow-up of the various changes in working environment and personnel statistics was fairly simple to carry out. But in terms of production effects, the company's in-house production follow-up system proved to be too unspecified and oversimplified. It was also difficult to decide which changes should count as effects of the new work place and to value these in monetary terms. The profitability calculation shows that an investment initiated to improve the working environment can yield good profitability.
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5.
  • Abrahamsson, Lena (författare)
  • Restoring the order : gender segregation as an obstacle to organisational development
  • 2002
  • Ingår i: Applied Ergonomics. - 0003-6870 .- 1872-9126. ; 33:6, s. 549-557
  • Tidskriftsartikel (refereegranskat)abstract
    • This paper raises questions about the links between gender and organisational changes. The empirical base for the discussion is a qualitative study of the effects of organisational changes in the pulp and paper industry, the electronics industry, the food industry and the laundry industry in Sweden during the mid-1990s. At the studied companies, restoration responses in the work organisations brought the organisation back into its original form and function. The study shows that gender exerts an influence both on the existing work organisation and in the organisational change. The modern organisation, with its focus on integration and decentralisation, challenges the gender order, which is a strong system, built on segregation and hierarchy. The conclusion from the study is that gender segregating and stereotypic gender-coding of workplaces and work tasks were strong restoring mechanisms and obstacles to strategic organisational changes.
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6.
  • Bao, Shihan, et al. (författare)
  • Ergonomic effects of a management-based rationalization in assembly work — a case study
  • 1996
  • Ingår i: Applied Ergonomics. - : Elsevier BV. - 0003-6870 .- 1872-9126. ; 27:2, s. 89-99
  • Tidskriftsartikel (refereegranskat)abstract
    • Due to unsatisfactory productivity, a large company in the Swedish manufacturing industry decided to rationalize their assembly system. The intended rationalization comprised several changes with deliberate ergonomic implications. The main aim of the present study was to evaluate the impact of the rationalization on the physical work load of the operators. The work load was assessed before and after the changes using expert observations, company records and direct technical measurements. The results indicate that the intervention led to only minor changes in muscle load, body postures and movement patterns. Several of the planned initiatives were never implemented, e.g. teaching the workers multiple skills and designing work stations at which a major part of the assembly sequence could be performed. This was mainly due to a policy revision caused by changes in the market situation. In spite of the company's original intentions, the revised production system contained only minor ergonomic improvements. Thus, the realization of the ergonomic potential in a rationalization seems to depend on management culture, as well as factors outside the company.
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7.
  • Bao, Shihan, et al. (författare)
  • The promises and problems of ergonomics application in the Peoples Republic of China
  • 1989
  • Ingår i: Applied Ergonomics. - : Elsevier BV. - 0003-6870 .- 1872-9126. ; 20:4, s. 287-292
  • Tidskriftsartikel (refereegranskat)abstract
    • Ergonomics or human factors, as an applied science concerning the design of interfaces between man, machine and the working environment, has shown its great capacities and potentials for improving working conditions and efficiency during its applications in most industrially developed countries (IC). As a means of improving the economy, industrialisation has been initiated in many industrially developing countries (DC). Knowledge and technology available in ICs have been transferred to DCs in order to increase the process of industrialisation. Ergonomics as a western discipline has also been transferred to many DCs during the technology transfer process. As an example of the transfer and development of ergonomics in industrially developing countries, this paper examines the development of ergonomics and its various areas of application in the People's Republic of China. After reviewing the current ergonomics situation and its applications in China from various points of view - i e, from organisation, research, education and industrial application - promises and problems associatd with the development of this new area of science are discussed.
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8.
  • Bergquist, Karin, et al. (författare)
  • A method for dynamic measurement of the resistance to dry heat exchange by footwear
  • 1997
  • Ingår i: Applied Ergonomics. - 0003-6870 .- 1872-9126. ; 28:5-6, s. 383-388
  • Tidskriftsartikel (refereegranskat)abstract
    • Five different types of cold protective footwear have been tested with regard to their resistance to dry heat loss (i.e. the insulation) with a new electrically heated foot model. The model is able to simulate ‘walking' movements in order to provide a more realistic simulation of wear conditions. Thermal insulation of shoes with and without a steel toe cap was the same. The insulating properties during simulated walking movements were 10-25% lower compared with static conditions. For two of the shoe models a significantly lower insulation value for the sole area was obtained when adding a weight of 30 kg. A significant difference could also be found between the insulation values of two different sizes of one of the models. Measurements with the standard method (EN 344) correlated well with the local insulation value of the sole part of the thermal foot. Correlation with the insulation value for the whole shoe was much less, variation was bigger and ranking in terms of cold protection differed between methods. The electrically heated foot model appears to provide a reproducible, accurate and more realistic method for measuring the insulation properties of shoes than EN 344.
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