1. Personnaly I prefer the tracing from a traditional vitalograph though
the lectric ones have the advatage of being considerably smaller.
2. The important figures to monitor are FEV1 and the FVC.
3. One further thought on the subject of spraypainters. They often work
in spray booths using compressed air breathing apparatus, these can be very
noise. Consequently it is worth looking out for evidence of noise induced
hearing loss.
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