Utrymmen med begränsade öppningar för in- och utgång i kombination med ogynnsam, naturlig luftväxling, som t ex grottor, kylskåp, tunnlar, transportrör, avloppssystem, silos, tankar, tunnor, gruvor, djupa diken eller gropar, valv, manluckor, skorstenar osv.
A space which has limited openings for entry and exit combined with unfavorable natural ventilation such as CAVES, refrigerators, deep tunnels, pipelines, sewers, silos, tanks, vats, mines, deep trenches or pits, vaults, manholes, chimneys, etc.
Trånga utrymmen — Oventilerade utrymmen
Confined Space — Space, Confined — Spaces, Confined — Unventilated Spaces — Space, Unventilated — Spaces, Unventilated — Unventilated Space