COMMON MISTAKES IN SETTING UP AND TEMPORARY ADJUSTMENT | Be smart at setting your level Instrument.
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ROLLER COASTER GONE WRONG - The reason why your surveyor must always get it right.
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SET - UP ERRORS + 1METER LEVEL ON DIFFERENT LEVELS
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Polishing Burnt Wood Like Glass
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How to use leveling instrument to transfer 1m level on a construction site
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Sing & Be Joyful: 28 Bible Songs for Children | Interactive Learning!
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Don't Make My Mistake Buying a Laser Level
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Fighter Pilot Runs Out of Fuel Over Downtown
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