10 vertex close heteroboranes

12-Vertex

14-Vertex

3D tracking trajectory of head vertex

accessible vertex

adjacent vertex

adjacent vertex distinguishable VE-total chromatic

adjacent vertex distinguishable VE-total coloring

adjacent vertex distinguishing incidence coloring

adjacent vertex distinguishing total chromatic num

adjacent vertex distinguishing total chromatic number

adjacent vertex distinguishing total coloring

adjacent vertex strongly distinguishing total coloring

angular vertex

control vertex

Crossing flap over the vertex

Crossing scalp flap over the vertex

flood discharge tunnel with horizontal vertex flow

flood discharge tunnel with vertical vertex flow

High effeciency vertex separator