This large protein assists in the formation of a coated pit on the inner surface of the plasma membrane of the cell.

As a coated pit has a life of about a minute before it buds into the cell, a fibroblast takes up its surface by this route about once every 16 minutes.

In a 1753 letter he wrote that he had " become very fond of studying the surface of the earth, and was looking with anxious curiosity into every pit or ditch or bed of a river that fell in his way ”.

At the elite level, competitors run down a runway ( usually coated with the same rubberized surface as running tracks, crumb rubber also vulcanized rubber ) and jump as far as they can from a wooden board 20 cm or 8 inches wide that is built flush with the runway into a pit filled with finely ground gravel or sand.

Instead, they typically arrive at the surface at their terminal velocity and, at most, create a small pit.

Techniques of surface mining include ; Open-pit mining which consists of recovery of materials from an open pit in the ground, quarrying or gathering building materials from an open pit mine, strip mining which consists of stripping surface layers off to reveal ore / seams underneath, and mountaintop removal, commonly associated with coal mining, which involves taking the top of a mountain off to reach ore deposits at depth.

Cultivars are variously yellow, orange, red or green, and carry a single flat, oblong pit that can be fibrous or hairy on the surface, and which does not separate easily from the pulp.

* Beadblasting, usually only done on metal yo-yos, is abrasive blasting the yo-yo with glass beads to slightly pit the surface improving grinds.

The deposit is essentially flat-lying at the surface, making open pit mining the extraction method of choice.

Originally, the mining was an open pit operation since there was an abundance of iron ore on the surface.

In marine mussels, the foot is smaller, tongue-like in shape, with a groove on the ventral surface which is continuous with the byssus pit.

As a result of extensive surface and deep mining, Joplin is dotted with open pit mines and mine shafts.

Corrosion can be concentrated locally to form a pit or crack, or it can extend across a wide area more or less uniformly corroding the surface.

Much of the softer ore was formed close to the surface, allowing mining operations to be conducted via the open pit mines.

When coal seams are near the surface, it may be economical to extract the coal using open cut ( also referred to as open cast, open pit, or strip ) mining methods.

Waste rock is piled up at the surface, near the edge of the open pit.

The name is analogous with a tar pit, in which animals can get bogged down and slowly sink under the surface.

A tar pit, or more accurately known as an asphalt pit or asphalt lake, is a geological occurrence where subterranean bitumen leaks to the surface, creating a large area of natural asphalt.

* pit crater, a crater that forms through sinking of the surface and not as a vent for lava

Coal excavated from Saltom Pit was raised by horse gin to surface, then transported by tram through a tunnel to Ravenhill pit for lifting to the cliff top.

Olea europaea contains a seed commonly referred to in American English as a pit or a rock, and in British English as a stone.

Egyptian temple of Hathor, King Solomon's Pillars sandstone formation, ancient pit mines and rock art.

If the trail is not directly on rock, then a mud pit forms.

As he observed the rock layers ( or strata ) at the pit, he realised that they were arranged in a predictable pattern and that the various strata could always be found in the same relative positions.

Open-pit mining, open-cut mining or opencast mining is a method of extracting rock or minerals from the earth by their removal from an open pit or borrow.

Most walls of the pit are generally dug on an angle less than vertical, to prevent and minimize damage and danger from rock falls.

A haul road is usually situated at the side of the pit, forming a ramp up which trucks can drive, carrying ore and waste rock.

Supporters of crowd surfing say that by standing in the mosh pit, concert-goers should expect such behavior as part of a rock show and by standing more towards the side or rear of the venue they can easily avoid such behavior.

The undeveloped Cochise deposit, located immediately north of the Lavender pit, contains an estimated 190 million tons of rock containing 0. 4 % acid-soluble copper, which may be mined in the future.

Because of the competent host rock, this pit has much steeper sides than other open pit copper mines in the southwest area.

Modern mine rehabilitation aims to minimize and mitigate the environmental effects of modern mining, which may in the case of open pit mining involve movement of significant volumes of rock.

As a result, the pit is laden with heavy metals and dangerous chemicals that leach from the rock, including arsenic, cadmium, zinc, and sulfuric acid.

With their final strike the battle ended in a stalemate as the Dinobots made him fall in the pit along with them, buried under a rock slide for several million years.

Further on is a grain pit from the Israelite period for storing provisions in case of siege ; the stables, originally thought to date from the time of Solomon but now dated a century and a half later to the time of Ahab ; and a water system consisting of a square shaft deep, the bottom of which opens into a tunnel bored through rock for to a pool of water.

It consist in sinking small pits through the superficial deposits to the solid rock, and then driving from one pit to another across the direction of the vein, in such manner as to cross all the veins between the two pits.

* On August 29, 2007, the highest outhouse ( actually, not a building at all, but a pit toilet surrounded by a low rock wall ) in the continental United States — which sat atop Mount Whitney at about 4, 418 meters ( 14, 494 feet ) above sea level, offering a magnificent panorama to the user — was removed.

This pit is an extremely deep vertical shaft, now choked to within of the surface by rock spoil dumped by miners.

This monitoring makes the method very flexible, even at surprising changes of the geomechanical rock consistency during the tunneling work, e. g. by crevices or pit water.

The castle's “ bottle dungeon ” is a dank and airless pit cut out of solid rock below the north-west tower.

The largest spoil heap, Mount Platt, was built up from waste rock excavated from Cronebane open pit.

At the shows it was noted " a peculiar convergence of poncho punks, old Deadheads, extravagant funk fans and year-round Halloween revelers supplied one of the least likely rock audiences in recent memory " including both deadhead ' noodle dancers ' and a mosh pit.

While a pit orchestra usually plays in the orchestra pit, there are times when they are on stage in the background ( this is usually for rock musicals ).