This Video about Information of Levelling Surveying Readings BM BS IS FS For Site Use Engineering Langue.
#landsurveying
#levelling
#Levellingsurvey
Негізгі бет What is BS HI IS and FS in Levelling Survey
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This Video about Information of Levelling Surveying Readings BM BS IS FS For Site Use Engineering Langue.
#landsurveying
#levelling
#Levellingsurvey
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