У вашего броузера проблема в совместимости с HTML5
Demo showing shotcrete being applied to the ceiling of an all concrete home using M2 (Emmedue) panels. The combo ceiling and wall tirolessausa hopper sprayer from mortarsprayer.com is being used for the application.
My shotcrete formulation is as follows:
14% Portland
9% fly ash
2% Silica Fume
75% Concrete Sand
12 oz Kalmatron per hundred weight of cementatious