The train runs smoothly on the conductor rail.

There are several necessary conditions for success.

Visitors can sign the books of condolence to express their sympathy.

The parties agreed to fulfill all the conditions precedent before proceeding with the transaction.

Conditional proofs are an important part of logical reasoning.

Conditional probabilities are used to calculate the likelihood of an event occurring given that another event has already occurred.

I bought a pack of conductive pens.

Condensation products are formed when two or more molecules react together, releasing a small molecule such as water.

The conditional agreements were signed by both parties.

The train glided smoothly along the conductor rails.