Bar Codes Are Read Using a Laser Light

question 7

True/False

Bar codes are read using a laser light.

---

Definitions:

Steam

Water vapor generated by boiling water, used for heating, propulsion, and sterilization among other applications.

Leathery Tissue

This term may refer to tissue that has become tough and resilient, similar to leather, often due to exposure, aging, or certain conditions but is not a standard scientific term.

Thrombosed Vessels

Blood vessels that have become blocked by a thrombus (blood clot), potentially leading to various circulatory problems.