How Is the Diameter Symbol Used on Engineering Drawings

question 3

Essay

How is the diameter symbol used on engineering drawings?

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Definitions:

Derived

A term used to describe traits, characteristics, or features that have evolved in a particular species or lineage from an ancestral state, indicating evolutionary change.

Platypuses

Aquatic mammals native to Australia known for their unique characteristics such as laying eggs, having bill and webbed feet.

Therians

Mammals excluding the monotremes, comprising the live-bearing marsupials and placental mammals, characterized by traits such as viviparity and mammary glands.

Therapods

A group of bipedal dinosaurs, mostly carnivorous, that includes modern birds and their extinct ancestors like Tyrannosaurus rex.