| http://www.w3.org/ns/prov#value | - tion about an axis, said paddles including forward and reverse paddles to facilitate mixing, said forward paddles having a face surface angled with respect to said shaft to impart an axial component of movement to said landscaping material in a downstream direction with respect to said mixing chamber and said reverse paddles having a face surface angled with respect to said shaft to impart an axia
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