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Logs with a higher density than the density of water would sink. [2] Other logs would get caught in jams, sloughs, or floods, and become lodged in the riverbed. Such logs were often known as "sinkers" or "deadheads." Loggers attempted to reduce the number of logs which remained in the river in order to maximize profits, but some losses were ...
Large temperature differences between the outside air and the flue gases can create a strong stack effect in chimneys for buildings using a fireplace for heating. Before the development of large volume fans, mines were ventilated using the stack effect. A downcast shaft allowed air into the mine.
A Eucalyptus being felled using springboards, c. 1884–1917, Australia McGiffert Log Loader in East Texas, US, c. 1907 Lumber under snow in Montgomery, Colorado, 1880s Logging is the process of cutting, processing, and moving trees to a location for transport .
A "full deck" of logs awaiting the mill. A log pond is a small natural lake or reservoir used for storage of wooden logs in readiness for milling at a sawmill.Although some mill ponds served this purpose for water-powered sawmills, steam-powered sawmills used log ponds for transportation of logs near the mill; and did not require the elevation drop of watermill reservoirs.
Centrifugal fans often contain a ducted housing to direct outgoing air in a specific direction or across a heat sink; such a fan is also called a blower, blower fan, or squirrel-cage fan (because it looks like a hamster wheel). Tiny ones used in computers are sometimes called biscuit blowers. These fans move air from the rotating inlet of the ...
Why the stock market crushed expectations in 2024. Matthew Fox. December 2, 2024 at 9:40 AM. Spencer Platt/Getty Images. The S&P 500 has surged 27% in 2024, on track for its best year since 2019.
Thermosyphon circulation in a simple solar water heater (not a working model; there is no water supply to replenish the tank when the tap is used). A thermosiphon (or thermosyphon) is a device that employs a method of passive heat exchange based on natural convection, which circulates a fluid without the necessity of a mechanical pump.
Making sure the steaks have been fully thawed and brought to room temperature is the first crucial step for most people, but others have memories of their parents or grandparents rinsing steak in ...