Making Delicious Dishes With Smoker Grills When refrigeration was not yet invented, raw meats were being smoked in order to maintain it when people go on a journey. Either they used cold smoke to maintain the food or prepared the food and then protected it with using hot smoke. http://hakka-14-inch-multi-funct26653.blog2learn.com/30944795/making-delicious-dishes-with-smoker-grills