How does Napoleon show his disapproval of Snowball's plan to build the windmill in Animal Farm?

I assume that
you are talking about what happens in .  In general,disapproves of everything thatdoes.  He
shows his disapproval in various ways.  But the most surprising way in which he does this comes
when he looks at the blueprints of the windmill.  What he does to show his disapproval is to
lift his leg and urinate on the plans.

Up until that point, Napoleon had just
talked about how Snowball's plans were dumb.  He had never actually looked at them.  But this
time, he looks at them and urinates on them, which I suppose is a pretty effective way of
showing disapproval.