Measuring & Distance 1 

I have exams on survey tomorrow and you have just saved me

Thanks. It's really useful and helpful!! Recently I found that some android application such as "Manual Distance" and "Auto Distance" which is also quite useful for quick distance measuring and estimation.

very useful&helpful god job.....

thanks for share this video, is very helpful & useful for me

ABSOLUTELY useful, thank you :) :)

Very good !

Thanks is very helpful

helpful&useful

6:30 - how are you sure that you go in a straight line each time?

very helpfull

very use ful

@lawmichael sound is fine for me

sound ok, thank you for posting

use ful

usefull

helpful!

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bakwas

very useful