If doing basic particle size, that is measuring only the amounts of sand, silt, and clay&#133;only 2 beakers are necessary for pipette withdraw of the silt and clay fraction.
(basic particle size; is measuring; only the amounts of sand, silt, and clay&#133) (only 2 beakers; are; necessary)
basic particle size only 2 beakers
is measuring are
only the amounts of sand, silt, and clay&#133
necessary