sliding water sink / sliding water sink

Problem
Existing public restroom has a problem that user can't put a
belongings over the sink or wet the clothes when they wash
their hands, because of the standing water.

Solution
1. A slant form of sink
Water into the drain in it's path down
the slope of the sink

2. grooved pattern
A sink has grooved pattern, so water
can't stay over the sink long time