Many workers are unhappy with zero-hour contracts.

There are many zero-width spaces in this document.

A zero-width space is a non-printing character used in computer programming.

Zero-one laws are important principles in probability theory.

I invested in several zero-coupon notes.

Zero-knowledge proofs are used in cryptography to prove the validity of a statement without revealing any additional information.

Zero-order designs are commonly used in experimental research.

Zero-sum games are common in competitive industries.

Many workers are unhappy with zero-hours contracts.

The zero lower bound is a policy tool used by central banks to stimulate the economy.