When estimating the cost for a project, product or other item or investment, there is always uncertainty as to the precise content of all items in the estimate, how work will be performed, what work conditions will be like when the project is executed and so on. These uncertainties are risks to the project.Some refer to these risks as known-unknowns because the estimator is aware of them, and based on past experience, can even estimate their probable costs. The estimated costs of the known-unknowns is referred to by cost estimators as cost contingency.hese uncertainties are risks to the project. Some refer to these risks as known-unknowns because the estimator is aware of them, and based on past experience, can even estimate their probable costs. The estimated costs of the known-unknowns is referred to by cost estimators as cost contingency.
In Europe, the Nordic countries have a sauna tradition. The Finnish sauna culture is well established, there are built-in-saunas in almost every house in Finland. The oldest known saunas in Finland were made from pits dug in a slope in the ground and primarily used as dwellings in winter.
Before nigiri was invented, Nareâ¢Zushi was the only form of sushi in Japan. This is as close as you can get to the original form of sushi came from South East Asia. Fish is gutted, washed and preserved in salt for six months to a couple of years with rice inside of the belly.