From our earlier year up to the stone age for,preparing food the material wood & stone was taken for preparation of food .With the passage of time stove
Gas ,electricity ,& after words well many research have seen the day light .For all this we have to salute & their researcher.

Their contribution for preparing cooking range of all items have been due to their research in every part of the countries .

We have to forget about the cooking range as the the area of scientist become small & limited .In other words they have to make their research experiences in
the labotary by thinking & concentration while range of research areas & with their experience they may bring something useful for ultity purpose for saving of time
& comfort for the overall mankind .

In this line it is not the range of cooking for the magnitude skill