For most of the day, the market functioned and remained accessible to investors at record-setting trading levels and volatility. But, during the first hour of trading, a tumultuous US market openprecipitated rapid, anomalous price moves... B Novick,R Prager,HD Jesus 被引量: 0发表: 0年 ...
The utility model discloses an umbrella allowing a tool to be mounted at the umbrella tip. The umbrella is characterized in that a shovel is welded with a threaded shovel handle; the threaded shovel handle is screwed in a threaded tubular umbrella tip; and the threaded tubular umbrella tip ...