[Epitesz-barkacs] Fw: kurblis könyvtári, raktári polcrendszer

[Andras Suller]

2009/4/14 vajk fekete <halaloszto at yahoo.co.uk>:
>
> http://en.wikipedia.org/wiki/Carbon_dioxide#Toxicity
>
> 1%, as can occur in a crowded auditorium with poor ventilation, can cause
> drowsiness with prolonged exposure. [30]
> At 2% it is mildly narcotic and causes increased blood pressure and pulse
> rate, and causes reduced hearing. [31]
> At about 5% it causes stimulation of the respiratory centre, dizziness,
> confusion and difficulty in breathing accompanied by headache and shortness
> of breath. [31]
> At about 8% it causes headache, sweating, dim vision, tremor and loss of
> consciousness after exposure for between five and ten minutes.[31]

Köszi.

psmith