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2Signification: straighthorizontal vertical perpendicular erecteven level plumb rectilinear
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3Signification: abruptvertical steep precipitous perpendicular sheer
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4Signification: rectilinearhorizontal vertical perpendicular erecteven level plumb straight
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5Signification: verticalcocked standing straight raisedperpendicular upright erect
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6Signification: characteristicstraight level even trueperpendicular exact equal square