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Sökning: WFRF:(Abeysekera John D.A.) > (1985-1989) > (1987)

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  • Abeysekera, John D.A., et al. (författare)
  • Ergonomics assessment of selected dust respirators : their use in the tropics
  • 1987
  • Ingår i: Applied Ergonomics. - 0003-6870 .- 1872-9126. ; 18:4, s. 266-72
  • 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.
  • Abeysekera, John D.A., et al. (författare)
  • Ergonomics of technology transfer
  • 1987
  • Ingår i: International Journal of Industrial Ergonomics. - 0169-8141 .- 1872-8219. ; 1:4, s. 265-272
  • Tidskriftsartikel (refereegranskat)abstract
    • It is beyond doubt that high technology has elevated the standards of living of mankind. The modern technology created and developed to a great extent by Western or developed societies is now in great demand in Eastern and developing societies who are trying to leap-frog towards advancement. But unfortunately, in the transfer of technology, both the giver and the receiver seem to make many mistakes. A technology transferred without considering the ethnic variables in the societies and differences in the climates, has found to cause problems to the acquirer. Due to the basic human factor differences such as sizes of people, physical environment, physical capacities and organizational and cultural differences, a technology which is unadapted has found to be inappropriate, harmful, hazardous and unsuccessful. In the areas of health, working conditions, production and finance, undesirable effects have resulted through haphazard technology transfer, For a successful transfer, it is therefore stressed that technology has to be adapted or modified taking into consideration the technological, anthropological and socio-economic factors of the acquiring population
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  • Resultat 1-6 av 6
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Abeysekera, John D.A ... (6)
Shahnavaz, Houshang (5)
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