Expansion measures are frequently adjusted over the long run, either for the overall load of products in the crate, or in the manner by which labor and products from the present are contrasted and labor and products from an earlier time. Bushel loads are refreshed consistently, generally consistently, to adjust to changes in purchaser conduct. Abrupt changes in customer conduct can in any case present a weighting predisposition in expansion estimation. For instance, during the COVlDi'? pandemic it has been shown that the container of labor and products was at this point not agent of utilization during the emergency, as various labor and products could never again be consumed because of government control measures {"lockdowns").[43]