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iRAD Software Application – Training Manual

                                                   RBG Labs, IIT Madras















                                                                  Murrum  is  a  matter  obtained  from  the
                                                                  disintegration of igneous rocks by weathering
                                                                  agencies. This is used to make roads called

                                                                  murrum roads.













                                                                         Earthen roads are laid with soil.















                                                               The word Kankar is derived from India which means
                                                               an  Impure  form  of  Limestone.  This  type  of  roads

                                                               usually  recommended  at  places  having  a good
                                                               quantity of lime.


               iRAD App Training Manual, April, 2021                                              Page 90
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