据“国际防务评”1986年第二期报导,考虑到营养和士气的原因,使士兵在训练和作战中吃到热食罐头是十分必要的.英国HOtcan公司提供了解决这个问题的办法,其原理是很简单的,制作方法是把一听15盎司(425克)罐装食物装在一个比较大的容器内,在两个容器之间是氧化钙颗粒和一个充满水的塑料袋.准备热餐时,去掉罐 According to the International Defense Review, issue 2, 1986, it is imperative that soldiers should eat hot cans during training and combat because of nutrition and morale, and HOtcan UK provided a solution to this problem by The principle is very simple, the production method is to a 15 oz (425 g) canned food packed in a larger container, between the two containers is calcium oxide particles and a plastic bag filled with water. When the meal, remove the jar