inert fillers in the formulation.
There are some fillers here, notebook jottings that might chiefly interest somebody like myself with a professional interest in Sinclair's work.
plastic lumber can be made from a mix of waste plastic types, with fillers used to reduce the cost of the feedstock.
Cake or plug tobacco is made by enveloping the desired amount of fillers within covering leaves of a fine bright colour.
Cultivation under shade was recently tried with satisfactory results; " 166.65 acres cultivated under cheesecloth produced in 1903 10 bales of wrappers and 1.5 bales of fillers of tobacco per acre, the output under the old system having been 4'5 bales of tobacco per acre of which only 10% represented wrappers of good colour " (Diplomatic and Consular Report on Cuba, 1904, No.