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.
A term of employment law; where an employee is assigned to a new job and his/her position filled by another employee. In St. John, the Canadian Human Rights Tribunal used these words: Canada Post's ability to loan employees from one part of the plant to another is subject to a general prohibition against backfilling.