Gps is a service available in most carry on devices particularly mobile phone and tablet. This can be effectively used in the study of large areas where we later take help of tools like google maps and google earth.I am writing this for the benefit of all those who are
This is a schematic idea for a small water treatment unit which can be easily installed in the side-open space of a bungalow. The treated water can take care of gardening needs. If it is further connected to an alum tank the water can be used for car washing .
After our experiments with slaking of lime, we tried plaster mixes using lime, wood shavings and mud. Two plaster patches were applied side by side on an exposed brick wall in two coats. The patches took about 2 days to dry. We found the dry slaked lime performing better with