Some knowledge about lava: Volcanic activity have make the magma become the lava after 100 million years !The heat resistance of this kind stone is very strong,also include anti-cracking ! The air permeability of this kind stone tool is very good ! The food will not easily burned and more less smoke ! When you heat the stone tool ,it will release far infrared ,it can keep the food more fresh ! This kind stone tool have been used for many thousand years ,although in the modern time ,a lot of people still use it to cook the food ! Instructions: Put the stone tool in the brine ,and boil it for about 5 minutes ! When the brine cold ,clean the brine and smear some edible oil to the surface of stone tool ! When you use it ,for the first 4-5 minutes ,burn it by small fire and then big fire ! At the beginning do not use the big fire in order to save time ,if the temperature increase a lot at a short time ,it will make the stone tool cracking,it will also reduce the effect of far infrared ,make the food more easily burned ! So it will make the stone tool lost his effect ! The available temperature is 180ċ---200ċ. The stone is nature material ,it will need more time to heat it than steel ,and when you heat it ,it will keep hot for a long time !So the energy you use on stone tool will the same as steel !

Issue Time:		2009-03-11
Expire Time:		2010-03-11