It wouldn't be easy to pull this off inside the boundaries of a normal system.

Use a small number of good people (10% to 25% compared to the so-called normal systems).

Not a problem if you have a normal immune system, which can fight off the infection in a day or two.

"For people with normal immune systems, having a bird in the house is not a big deal," he said.

At some point after 1603 the City adopted a more normal system for nominations and elections.

In rare cases it can be deadly even for people with a normal immune system.

"Their normal system of warnings and safeguards are not in place."

He did not go through the normal system of city or province squads.

Is there such a thing as a normal immune system?

Under the normal system, Nakata would have been number 40.