\v=3 \v~=\w If|strong="H0176"\w* \w the|strong="H1961"\w* flow goes \w on|strong="H1961"\w* \w or|strong="H0176"\w* \w if|strong="H0176"\w* \w the|strong="H1961"\w* \w part|strong="H1931"\w* \w is|strong="H1931"\w* stopped \w up|strong="H2856"\w*, \w to|strong="H1961"\w* keep back \w the|strong="H1961"\w* flow, \w he|strong="H1931"\w* \w is|strong="H1931"\w* still \w unclean|strong="H2932"\w*. \¬v