Dust emission from open-yard stockpile is an important source of atmospheric particulate pollution. However. there were few literatures on on-site sampling analysis to study the effects of secondary dust lifting on atmospheric particulate matter concentration in open-yard stockpile. Field testing was the most effective means of verifying the accuracy of wind tunnel tests and numerical... https://www.roneverhart.com/Tokidoki-X-Hello-Kitty-and-Friends-1-Blind-Box/