88.8 Ian Dick
88.8 Ian Dick . Concrete must have air pockets in them to ease expansion and contraction. December 8, 2021 10:18 am published by coming late to work email sample (records must be done on calibrated or certified plates) (please note that all lifts are with and without wraps.) 88.8 Ian Dick from www.iandick.com Taken together, coarse and fine aggregates make up the bulk of the concrete’s mass at up to 70 percent. Kilograms to stone and pounds chart. Concrete must have air pockets in them to ease expansion and contraction.