In the Southern Hemisphere, where the June solstice is known as the shortest day of the year, it marks the first day of astronomical winter, but the middle of winter in meteorological terms.
Backfill refers to products or materials used to fill excavations. The most common form is composed of a mixture of gypsum and calcium bentonite. Apart from filling holes, one of the primary purposes is to mantle sacrificial anodes under the ground.
Definition of backlog: Value of unfulfilled orders, or the number of unprocessed jobs, on a given day. While a backlog indicates the workload that is beyond the production capacity of a department or firm, it also serves as ...