Isseiki mae ni garasu bin iri no tansansui o utteita serutsā (tansansui) no kankeisha nara, shinjirarenai darō. Tansansui no uriage ga ima, bakuhatsuteki ni fueteiru no da.The people who sold seltzer (sparkling water) in glass bottles a century ago would not believe it. Sales of sparkling water now are increasing explosively.