The SOB publishes all of the maps from its possess offset printing press along with the items are available in its sales centre within the SOB campus located in the Tejgaon Industrial Area, Dhaka-1208.???? ??????? ?? ?????? ????? ???? ???? ??????? ?? ???-???? ???????? ????? ??? ????? ???? ????-???? ????????? ???? ??????? ?? ????? ??? ??? ? ???? ???… Read More

The Livingstone corer, designed by D. A. Livingstone, is actually a commonly used piston sampler. A modification in the Livingstone corer which has a serrated coring head makes it possible for it to be rotated to cut as a result of subsurface vegetable make a difference which include tiny roots or buried twigs.The dampness content of your soil is e… Read More