B. most exercise machines require spotters for safe operation.
Anatomical position: The position with the body erect with the arms at the sides and the palms forward. The anatomical position is of importance in anatomy because it is the position of reference for anatomical nomenclature
Answer:
Core print
Explanation:
According to my research on different mold creation methods, I can say that based on the information provided within the question this is known as something called a Core print. This is (like described in the question) an open space provided in the mold for locating, positioning and supporting the core.
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