Being Certified Does Not Mean That a Welder Can Weld

question 23

True/False

Being certified does not mean that a welder can weld everything, nor does it mean that every weld that is made is acceptable.

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Definitions:

Debridement

The medical removal of dead, damaged, or infected tissue to improve the healing potential of the remaining healthy tissue.

Biopsy

A medical procedure involving the extraction of sample cells or tissues for examination to determine the presence or extent of a disease.

Nevus

A medical term for a mole or birthmark, representing a localized growth of pigment-producing cells.

Psoriasis

A chronic autoimmune skin disease that speeds up the growth cycle of skin cells, causing red, scaly patches.