Mixing tools should be kept in the shade and wind free. It is very difficult to find. I tend to position myself up wind from dust sources, when possible.
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Where complex reinforcement arrays must be fully penetrated. If we see none of the larger sand particles breaking Damp curing can be achieved with a sheet of plastic or rubber. All pertaining laws should be satisfied, in duplicating or testing my concepts or descriptions, as are posted on my linked pages.
Some special applications like sand molds may benefit from prior coating like wet slurries grout, also called Neat's Cement or more rarely- "slip". Note the blue circles in which a piece of stone aggregate pebble has been itself split. Splitting the sand particle tells us that the wafer has reached or exceeded the strength of those particular sand particles. Simply test by wetting with saliva on a finger! While rich mixes can be very strong at first glance, they will eventually shrink more than sandier mixes.