Abstract: A sound-absorbing material, wherein a non-woven fabric with a mass per unit area of 150 to 800 g/m2 and a bulk density of 0.01 to 0.2 g/cm3 and a surface material with an air permeability of not more than 50 cc/cm2/sec measured according to JIS L-1096 are layered.

Abstract: The object of the present invention is to provide a communication system for indemnification insurance service; the system contributes to rapid procedures to be performed from the occurrence of an accident to the arrival of a staff to the accident scene, including notification to the company of the indemnification insurance service, and certification of the location of the accident scene and the content of the insurance service of the insured, performed inside the company.

Abstract: A protection product made of (i) a woven fabric woven with a high-performance fiber, in which the opening rate of thread-opening treatment is 0 to 5%, and the width of a thread constituting the woven fabric is 10-fold or more relative to the thread thickness, (ii) a woven fabric in which the cross-sectional shape of a thread constituting the woven fabric is thinner on an edge side of both ends as compared with an intermediate part in the width direction, or (iii) a woven fabric woven with a twistless high-performance fiber having a fineness of 200 to 15,000 dtex, in which the ratio of the thread width to the thread thickness of at least one of a warp and a weft is 10 to 100, and the opening rate is 0 to 5%.

Abstract: A sound-absorbing material, wherein a non-woven fabric with a mass per unit area of 150 to 800 g/m2 and a bulk density of 0.01 to 0.2 g/cm3 and a surface material with an air permeability of not more than 50 cc/cm2/sec measured according to JIS L-1096 are layered.