Mozzarella/loam is ~20-50 sand, ~30-50 silt and ~10-30 clay - pay attention to the angle of the numbers and follow the diagonal lines. The center of the triangle has to be 33/33/33
Mozzarella/loam is ~20-50 sand, ~30-50 silt and ~10-30 clay - pay attention to the angle of the numbers and follow the diagonal lines. The center of the triangle has to be 33/33/33
I hope those were positive pressure suits, positive pressure helps to keep dust out of the suit. Negative pressure ventilation is used to help sick people breathe easier, like the iron lung for example.