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If you mean a 'spirit level' then when the line is in the center of the bubble then the object being measured is horizontal to the ground.
Ensure the surface to be tested, and the level itself, are clean so bits of swarf etc don't prop the level's end up and give false readings. Ensure the alignment of the level is true along the direction to be tested. Read the level then rotate it 180º to obviate or show any errors in the level.
Use of a spirit level is to find out if things are level.
A spirit level tells if things are level, horizotally or vertically.
A spirit level tells if things are horizontal or vertical
If you mean a 'spirit level' then when the line is in the center of the bubble then the object being measured is horizontal to the ground.
Ensure the surface to be tested, and the level itself, are clean so bits of swarf etc don't prop the level's end up and give false readings. Ensure the alignment of the level is true along the direction to be tested. Read the level then rotate it 180º to obviate or show any errors in the level.
See the hyperlink: http://www.leveldevelopments.com/PDF_Documents/engineers-level-calibration-instructions.pdf It contains a short, non-technical explanation
Use of a spirit level is to find out if things are level.
A spirit level tells if things are level, horizotally or vertically.
it is a spirit level
The Spirit Level - poetry - was created in 1996.
it is read in tenths of a foot, engineers scale
level 3, i activated AR code for max spirit level and they all turned to level 3
A spirit level tells if things are horizontal or vertical
im not so sure about the spirit level but a botanist
Dumpy level provides a horizontal line (parallel to earth's curvature); you can read the scale by holding it normal to the ground level. Take separate readings for separate points then compare them