Holing needle should regularly be ground sharply and new holing needle should be replaced to ensure the quality of holing.
In fact, no pigeon-holing is my mood.
No-flow from a silo is typically due to either arching (bridging) or rat-holing.
But instead of pigeon-holing people, consider experience diversity to increase team capability.
Some people have got used to the "pigeon-holing", from a number of ambiguous symptoms begin to doubt that they have been infected.
But it is easy to get a little jaded, quickly cubby-holing something new just because it ACTS like something already out there.
