Having two birthdays is like having two identities.

The exhaust gas duct may have two outlets.

If two different designs are desired, two different sets of cutlery must be purchased.

If you can have two women, then she should have two men.

The container may have two ribs (12,14).

The spacer device may include two opposing ends.

Regulator circuits can have two capacitive circuits, one inductive circuit, and two switches.

The filter may have two filter meshes, which may have different degrees of porosity.

The wedge may have two obtuse angled sides.

A: To have one or more carboxy groups and one or more hydroxy groups B: To have two or more carboxy groups C: To have a structure wherein two carboxy groups are dehydrated and condensed

Each substrate may have two major active surfaces to be processed.

But I would like to have two daughters and two sons.

One parent, two parents, three parents...it is not enough.

Why I cannot change my name? / Why do I have two names?

They’d love to have two boys and two girls.