| http://www.w3.org/ns/prov#value | - Fluid, mainly composed of gas, may be blown to the fiber web 100, for example, through the blowing section 910 (blowing opening 913, diameter of 0.1 to 30 mm or preferably 0.3 to 10 mm, pitch of 0.5 to 20 mm or preferably 3 to 10 mm, shape of a circle, an elliptic, or a rectangular shape) including the plurality of blowing openings 913 shown in FIG. 8 or FIG. 9 to blow hot air having a temperature
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