If I take a sufficiently small amount of time, this shaded part looks like a triangle.
Preferably, the individual portions are sufficiently small so that the transferred liquid is a frozen granulate.
Large or bulky material shall be shipped in sections sufficiently small to facilitate handling in the field.
At the moment, the camera has to be fitted to the end of a stiff, yet flexible cable. A soft, squishy robot, sufficiently small, could be an alternative.
In many cases the crushed ore particles are not sufficiently small to permit liberation of the desired mineral so that separation can be achieved.
