A system for encapsulating a cable 12 for the purpose of splice closures, breakout closures, jacket repair closures or end capping, in which a casing is fitted around a part of the cable to be sealed, defining within it a cavity surrounding the cable, and a sealant material in the form of a two part acrylic structural adhesive material is injected to fill the cavity and cured in situ. The method may be used to count chromatid copy number, for example to investigate the ploidy of a cell such as an oocyte or an embryo-derived cell. Then, based on use word dictionary information for managing a keyword regarding the use of the substance subject to regulation, use information regarding the substance subject to regulation is extracted from the use description range.