Potato give boiler more than 7 minutes not delicious. Why? Because of potato exceed this time, originally outside fragile inside crisp mouthfeel disappears namely, become of soft, mouthfeel is very poor. If you ate such potato, you can complain a requirement completely to change directly. Put in heat preservation stage more than 15 minutes after hamburger make it not delicious. Why? Because hamburger is in,15 minutes of less than are OK those who keep original is optimal admire flavour period, the flesh that hamburger blast comes out is sweet originally tender and sweet fragile, vegetable tastily, hamburger sauce acid is sweet. But should exceed 15 minutes only, originally hamburger biscuit can harden, the flesh is met molten hardens, vegetable meeting hair is yellow, hamburger sauce can become yellow acidify. Mouthfeel can be affected badly. So, if you ate such hamburger, can ask dining-room changes to you completely fresh. Coke exceeds 30 minutes bad to was drunk. Why? Because can be to pass machine site to make,finished, coke by coke syrup, carbon dioxide, filter water complex. Carbon dioxide and filter water synthesizes soda to mix and become coke with syrup again first. Come out when forge of a cup of coke, put below normal temperature too long, carbon dioxide is prediction of a person's luck in a given year, lost the sort of free from worry sense of carbonic acid beverage, became syrup. Congee kind the product is put in heat preservation stage more than 45 minutes not delicious. Why? White congee of Kendeji has been boiled beforehand, it is next before sale a hour or half hours of modulation are good, put in heat preservation ark to save next. Be put in heat preservation stage more than 45 minutes when a bowl of congee, it is so those who lose it is optimal admire flavour period, congee can become stiff, change sticky, mouthfeel is lost. Because the temperature of heat preservation chamfer is,be in of 60 ° C. So if you were late sticky of a bowl of mouthfeel, if with ladle very difficult spoon rises, then you can ask aboveboard to change a bowl. When to go to what had better Kendeji eat? The answer is midday controlled at 11 o'clock, controlled at 6 o'clock afternoon, nod in the meal namely before 15 minutes or so, fastigium must not be nodded to queue up in the meal, also must not go in the time after just ending a meal to nod. Why? The meal goes bit ago, the thing is the freshest, the person that has a meal to preparation gets ready. The meal nods fastigium, person much hand is miscellaneous, the thing is uneven, after the meal orders firm end, be being written down is firm end hind, can the part has made those who do not have timely sale to drop.