staple food(The most commonly or regularly eaten food in a country or community and which forms the mainstay of the total calorie supply, especially in the poorer populations and at times of food shortage)
major risk(The high probability that a given hazard or situation will yield a significant amount of lives lost, persons injured, damage to property , disruption of economic activity or harm to the environment; or any product of the probability of occurrence and the expected magnitude of damage beyond a maximum acceptable level)
