This screw is loose.

They can be either stationary or portable, can be single or multi staged, and can be driven by electric motors or internal combustion engines.

I brought you the wrong screwdriver.

Tom is nuts.

That guy has a screw loose!

Tom is nuts.

Bright as a button. All the ducks in a row.

Archimedes' machine was a device with a revolving screw shaped blade inside a cylinder.

The Archimedes' screw described in Roman times by Vitruvius may have been an improvement on a screw pump that was used to irrigate the Hanging Gardens of Babylon.

And our brains our celebrated brains reflect a drainage of a tidal marsh.

In 1662, Sir Christopher Wren invented the mechanical, self emptying, tipping bucket rain gauge.

The drainage systems are not able to handle the water pressure.

The same type of screw or bolt can be made in many different grades of material.

The city now relies on flood barriers and augmenting drainage from canals by pumping and building drain tunnels, but parts of Bangkok and its suburbs are still regularly affected by flooding.

You are just a small screw in the system, says Mr. Freeman.

It's a dendritic drainage pattern that can be formed only by the flow of liquids.

Heavy downpours resulting in urban runoff overwhelming drainage systems, and runoff discharge from upstream areas, are major triggering factors.

The villages used irrigation canals and drainage systems, making agriculture very efficient.

I used a screwdriver to turn the screw, but it just didn't want to turn.

I personally obsessed about every nut, bolt and washer in these crazy things.

Failure of the nasolacrimal drainage system can cause dry eye or leakage of tears onto the face.

Some of the short narrow channels along the walls of Ma'adim are probably sapping channels.

The upper part of the drainage basin of the Moa River is located in the south of this region.

Lakes may form in basins where there is sufficient precipitation or meltwater from glaciers above.

They're the next turn of this particular screw, which has been going on 20 years now.

The Archimedes' screw is still in use today for pumping liquids and granulated solids such as coal and grain.

The brain drain where all of the most educated and qualified leave and never come back.

A screwdriver that is not the right size and type for the screw may damage the screw in the process of tightening it.

In some parts of the world, there are many lakes because of chaotic drainage patterns left over from the last Ice Age.

Many of these canals have since been filled in or paved over, but others still criss cross the city, serving as major drainage channels and transport routes.

Hydrocephalus (obstructed flow of CSF) may require insertion of a temporary or long term drainage device, such as a cerebral shunt.

The main construction plans to start draining water from other rivers and reservoirs in the country are only due to be ready in 2016, according to Sabesp s own schedule.

On April 3, 2007, she skidded off the road into a drainage ditch which had filled with flood water from the Sauk River.

Archimedes' screw A large part of Archimedes' work in engineering arose from fulfilling the needs of his home city of Syracuse.

Many examples of such devices have been found in old Roman mines and some examples are now preserved in the British Museum and the National Museum of Wales.

Lymphatic drainage Approximately 75 of the lymph from the breast travels to the axillary lymph nodes on the same side of the body, whilst 25 of the lymph travels to the parasternal nodes (beside the sternum bone).

Malaria, the most widespread disease, was successfully fought through advances in health care, the use of DDT, and through the draining of swamplands.

During the mid Eocene, it is believed that the drainage basin of the Amazon was split along the middle of the continent by the Purus Arch.

In the factory roof Gaudí used the catenary arch for the first time, with a bolt assembly system devised by Philibert de l'Orme.

History The idea of a simple machine originated with the Greek philosopher Archimedes around the 3rd century BC, who studied the Archimedean simple machines lever, pulley, and screw.

It is one of a series of interconnected, murky bodies of water in Scotland its water visibility is exceptionally low due to a high peat content in the surrounding soil.

The idea of a simple machine originated with the Greek philosopher Archimedes around the 3rd century BC, who studied the Archimedean simple machines lever, pulley, and screw.

The Amazon basin is the largest drainage basin in the world, about , and accounts for approximately one fifth of the world's total river flow.

Since a ship of this size would leak a considerable amount of water through the hull, the Archimedes' screw was purportedly developed in order to remove the bilge water.

The investigation concluded that Gagarin's aircraft entered a spin, either due to a bird strike or because of a sudden move to avoid another aircraft.