Surveying
Circumpolar stars

Are seldom seen near the pole star
Remain always above the horizon
Rotate round the celestial pole
Rotate round the North Pole

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Surveying
The prismatic compass and surveyor’s compass

both give QB of a line and WCB of a line
both give QB of a line
give whole circle bearing (WCB) of a line and quadrantal bearing (QB) of a line respectively
both give WCB of a line

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