International Weld Symbols Fall into Two Principal Categories: ____

question 18

Multiple Choice

International weld symbols fall into two principal categories: ____.

• A) elementary and supplementary
• B) elementary and secondary
• C) primary and secondary
• D) elementary and non-elementary

---

Definitions:

Sensorimotor Period

A stage in Piaget's theory of cognitive development (birth to about 2 years) where infants learn through interaction with the environment using their senses and motor actions.

Reflexes

Involuntary and automatic responses to stimuli, which are present at birth and signal the newborn's neurological development and functioning.

Physically Handicapped

Refers to individuals who have impairments or disabilities that limit physical function, which may involve mobility, coordination, or dexterity challenges.

Developing Normally

A term used to describe when an individual's physical, emotional, cognitive, and social development follows the expected pattern for their age.