Should the Backing Strip Be Left on the Finished Weld

question 35

Essay

Should the backing strip be left on the finished weld or removed following welding? How is that indicated?

---

Definitions:

Primary Receptors

Sensory cells or nerve endings that initiate the process of sensation by detecting external stimuli and converting them into electrical signals for the nervous system.

Secondary Receptors

Protein molecules located on cell surfaces or within cells that bind to external signaling molecules after they have interacted with primary receptors, often amplifying the cellular response.

Chemoreceptors

Sensory receptors that respond to chemical stimuli, such as taste, smell, or changes in the blood's chemical composition.

Brainstem

The lower extension of the brain, connecting the cerebrum with the spinal cord, and controlling vital functions such as breathing and heart rate.