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method for obtaining a blanket or mattress with temperature stabilized with a desire to who / use better method to obtain the desired temperature by a blanket or a mattress without ui know of electrical resistors, is to obtain the heat for the cold
method for obtaining a blanket or mattress with temperature stabilized with a desire to who / use better method to obtain the desired temperature by a blanket or a mattress without ui know of electrical resistors, is to obtain the heat for the cold