Release the clamp screw of your instrument, keep the instrument in the ideal hand, and deal with it over the tripod by rotating just the lower portion Along with the remaining hand. Tighten the screws of the instrument firmly. আমরা সারা বাংলাদেশে আমাদের সার্ভিস প্রদান করে থাকি। On these strains https://landenhnqtv.blogars.com/31236446/indicators-on-contour-survey-in-dhaka-you-should-know