| http://www.w3.org/ns/prov#value | - Further, when the defective boards are dropped onto a container with an elastic member, such as a sponge or the like, provided on the hard bottom of the container and especially when the corners of the defective board impacts the elastic member, the corner of each board is broken in pieces due to a force of the elastic member to thereby cause damage and breakage of the photosensitive resin layer o
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