The invention provides a composition for the regular maintenance and polishing of stones containing calcium carbonates such as marble. The invention gives a new composition which produces a high degree of gloss on the marble and other calcium carbonate containing surfaces based on non metallic silicofluoride such...

The invention provides multi purpose agricultural machine for performing various agricultural activities. The machine comprising, a ploughing unit (101) configured to plough agricultural land using ploughing rods, a seed sowing unit (103) connected to the ploughing unit (101) configured to sows the seeds for crops...