Clinical Investigation of Benign Asbestos Pleural Effusion

Table 2

Occupational category related to asbestos exposure.

Shipbuilding	25
Construction	20
Chemical facility	10
Asbestos products manufacturing	8
Electrical work	8
Plumbing	7
Asbestos transportation	5
Moisturizing work	4
Asbestos spraying	3
Steel production	3
Demolition work	2
Automobile manufacturing	2
Heat insulation	2
Firebrick manufacturing	2
Glasswork	1
Metallic product manufacture	1
Furnace installation	1
Coating industry	1
Shipman	1
Others	2
Total	108