defect

a fault in someone or something ข้อบกพร่อง, จุดอ่อน

The source said the defect was discovered in the 2,000 test devices already in the country.

On an average, the lens of an eye in people above the age of 40 becomes less flexible and the ability to focus on an image decreases, causing a defect in vision.

At the company, people can consult architects, engineers and decorators who can fix any unhealthy defect in their house.