It is estimated that about 542,250 miles of forest development roads, and 80,000 miles of trails, constitute the system that will eventually be needed to obtain the maximum practicable yield and use of the wood, water, forage, and wildlife and recreation resources of the National Forests on a continuing basis.

You can get a hot water system that will also work for cooling your house.

In an essentially static system, an oil cannot be replaced by water on a surface unless the interfacial tensions of the water phase are reduced by a surface-active agent.

Find out whether fire protection, sewage system, gas, water mains, and electrical lines are available in the locality.

`` Every month, f'r three days '', he said happily, `` I take no water into my system, no water whatsoever.

It has established a Ministry of Environment and has introduced a pollution fee system by which taxes are levied on air and water emissions and solid waste disposal. The resulting revenues are used for unknown purposes.

The system in general aims to increase blood pressure by increasing the amount of salt and water the body retains, although angiotensin is also very good at causing the blood vessels to tighten ( a potent vasoconstrictor ).

It had living quarters for people, fish tanks raising Tilapia for protein, a greenhouse watered with fish water and a closed loop sewage reclamation system that recycled human waste into sanitized fertilizer for the fish tanks.

This means that a typical one-story house with a greywater system can supply its year-round water needs from its roof alone.

It can be convenient to use the cistern as a heat sink or trap for a heat pump or air conditioning system ; however this can make cold drinking water warm, and in drier years may decrease the efficiency of the HVAC system.

In some cities, such as the Victorian era London sewers or much of the old City of Toronto, the storm water system is combined with the sanitary sewer system.

Current practical, comfortable domestic water-heating systems combine a solar preheating system with a thermostatic gas-powered flow-through heater, so that the temperature of the water is consistent, and the amount is unlimited.

The basic trick in a solar water heating system is to use a well-insulated holding tank.

Located 10 miles ( 16 km ) northwest of Ullapool, Achiltibuie is home to the Hydroponicum, a garden where plants are grown using a hydroponic system, in water and without soil.

The water entry activates the torpedo, which is guided by its own sonar system, and homes in on the target using either active sonar or passive sonar.

The water caterpillar boat propulsion system ( Popular Science Monthly, December 1918, p 68 )

Activated charcoal is used as an absorbent and adsorbent in filter material in applications as diverse as gas masks, water purification and kitchen extractor hoods and in medicine to absorb toxins, poisons, or gases from the digestive system.

A hydrocolloid is defined as a colloid system wherein the colloid particles are hydrophilic polymers dispersed in water.

If sugars are heated so that all water of crystallisation is driven off, then caramelization starts, with the sugar undergoing thermal decomposition with the formation of carbon, and other breakdown products producing caramel.

For example, when liquid water starts freezing, the phase change begins with small ice crystals that grow until they fuse, forming a polycrystalline structure.

The water in the drive pipe starts to flow under the force of gravity and picks up speed and kinetic energy until the increasing drag force closes the waste valve.

The origin of the screw propeller starts with Archimedes, who used a screw to lift water for irrigation and bailing boats, so famously that it became known as Archimedes ' screw.

In water, this is where the absorptive index starts to drop sharply, and the minimum of the imaginary permittivity is at the frequency of blue light ( optical regime ).

Candy is made by dissolving sugar in water or milk to form a syrup, which is boiled until it reaches the desired concentration or starts to caramelize.

An initial bipolar discharge, or path of ionized air, starts from a negatively charged region of mixed water and ice in the thundercloud.

The water acts like acid on the alien's skin, so Merrill starts smashing all of the half-empty glasses, before finally knocking the alien into a table, where water glasses spilled directly onto its face, killing it.

Samples of the freshly frozen water in the ice well are expected to be collected at the end of 2012 when the new Antarctic summer starts.

After he was killed by Lord Narasimha, Jalasura turns into water starts flowing from Lord's feet.

This starts by cutting some limes into water and then walking around the area while sprinkling the water onto the floor.

On the way back Dumbo cries and then starts to hiccup so Timothy decides to take him for a drink of water from a bucket which, unknown to him, has accidentally had a bottle of champagne knocked into it.

Imagine that each street segment is given an initial load of one unit of water, which then starts pouring out of the starting street segment onto all the other segments that successively connect to it.

As the water vapor then starts condensing the air parcel subsequently cools at the slower moist adiabatic lapse rate if the altitude increases further.

After the seedling emerges from the seed coat and starts growing roots and leaves, the seedling's food reserves are typically exhausted ; at this point photosynthesis provides the energy needed for continued growth and the seedling now requires a continuous supply of water, nutrients, and light.

Emulsion polymerization is a type of radical polymerization that usually starts with an emulsion incorporating water, monomer, and surfactant.

Renewal and repetition are other main themes ; the title track starts and finishes with the same sound effects of running water and birds, and in " Siberian Khatru " there is the repetition of two-syllable words and phrases.

Plaster starts as a dry powder similar to mortar or cement and like those materials it is mixed with water to form a paste which liberates heat and then hardens.

The breaststroke starts with the swimmer lying in the water face down, arms extended straight forward and legs extended straight to the back.

The movement starts in the initial position with the body completely straight, body movement is coordinated such that the legs are ready for the thrust phase while the arms are halfway through the insweep, and the head is out of the water for breathing.

She helped him with the dishes, then he brought more water in from the spring before it got dark.

Many of them, in increasing panic, came running with water in their hats in a ludicrous effort.

Then Little Billy began shouting orders to round up the ponies and fill the water buckets and for the cooks to hurry up with the meal.

The town was about what Wilson expected: one main street with its rows of false-fronted buildings, a water tower, a few warehouses, a single hotel ; ;

The two tall brothers waited silently while their mother handed Gran her cold snack and water jug, placed the chamber pot beside her feet, and returned to her place at the front of the wagon with Alice.

The water in Thor's big swimming pool had been covered with a blanket of thick, foamy soapsuds -- fashioned, of course, from zing -- Joyce had dived from the board into the pool, then swirled and cavorted in her luxurious `` bath '' while cameras rolled.

Beaten with fear and sound and wet and chill, they crawled to the hurricane deck and looked out haggardly at a world of water that reached clear to the surrounding hills.

Then he took off his wet boots and dropped down into the water to talk with the beasts, needing their comfort more than they needed his.

Already our leaky lifeboat was filled with five inches of water.

For a brief period each year, the rays of the sun are warm enough to melt some of the snows piled a mile deep at the base of the headwalls, and then the pinnacles glisten in the daytime at high noon, and billions of gallons of water begin their slow seepage under the glaciers and across the rockstrewn hanging valleys on their long, meandering journey to the sea -- running east past the sky-carving massifs of Gurla Mandhata and Kemchenjunga, then turning south and curling down through the jungles of Assam, past the Khasi Hills, and into Bengal, past Sirinjani and Madaripur, until the hard water of the melting snows mingles with the soft drainage of fields and at length fans out to meld with the teeming salt depths of the Bay of Bengal.

This was the land of the sladang, the great water buffalo with horns forty inches across the spread.

Now, the next morning, they were anchored at The Elbow and the boat was riding directly over the underwater ledge where the green water turned to deepest blue and the cliff dropped straight down 600 fathoms, with the weighted line beside it ; ;

Awkwardly with one hand Matsuo got the cap back on the water bottle.

He had found a depression with rain water in it.

Travelers entering from the desert were confounded by what must have seemed an illusion: a great garden filled with nightingales and roses, cut by canals and terraced promenades, studded with water tanks of turquoise tile in which were reflected the glistening blue curves of a hundred domes.

To return now to the four-element physics, a mixture of muddy, frothy water will, when standing in a jar, separate out with earth at the bottom, water on top, and the air on top of that.

It is covered ( partly ) with water, air is atop of that.

They kicked their horses through the deep water with their bare heels, drove the Rebels out of their rifle pits and captured four men.

Laura Keene brushed by him with the glass of water.

We tumbled to a stop in Deacon Gordon's cow hole, a low-lying bit of pasture with a muddy pool of water in its middle.