This will be a problem in areas of heavy snowfall.

They are laid a minimum of 24'' '' deep and in some areas four feet down, particularly under roads, to stay clear of all other piping such as water and sewers and to minimize shocks from heavy trucking.

Ski troops were trained for the war, and battles were waged in mountainous areas such as the battle at Riva Ridge in Italy, where the American 10th Mountain Division encountered heavy resistance in February 1945.

Ailanthus are capable of forming thick blankets of roots and heavy shade to the extent that native species are prevented from being able to reclaim an area that has been logged or deforested, as well as areas that have been heavily developed.

Travelling in remote areas in northern Australia is not advisable during the wet season ( November to April ), as heavy tropical downpours can quickly make dirt roads impassable.

On the Coast, rainfall, sometimes relentless heavy rain, dominates in winter because of consistent barrages of cyclonic low-pressure systems from the North Pacific, but on occasion ( and not every winter ) heavy snowfalls and below freezing temperatures arrive when modified arctic air reaches coastal areas, typically for short periods.

Many areas of the province are often covered by a blanket of heavy cloud and low fog during winter, despite sunny summers.

In the late 1920s under Stalin, the party engaged in a heavy recruitment campaign ( the " Lenin Levy ") of new members from both the working class and rural areas.

During the first few days of the spill, heavy sheens of oil covered large areas of the surface of Prince William Sound.

In areas where one has plenty of room, a long handle with a heavy head ( like a sledge hammer ) can deliver the maximum amount of energy to the target.

Repelling their regular attacks, especially on Kiev, which was just one day's ride from the steppe, was a heavy burden for the southern areas of Rus '.

Central Japan in its elevated position, has hot, humid summers and moderate to short winters with some areas having very heavy snow, and southwestern Japan has long, hot, humid summers and mild winters.

The result is a flow of cold air southeastward across Japan that brings freezing temperatures and heavy snowfalls to the central mountain ranges facing the Sea of Japan, but clear skies to areas fronting on the Pacific.

Symptoms may include severe fatigue, a heavy swollen limb or localized fluid accumulation in other body areas, including the head or neck, discoloration of the skin overlying the lymphedema, and eventually deformity ( elephantiasis ).

A hydrometeorologist prepares and issues forecasts of accumulating ( quantitative ) precipitation, heavy rain, heavy snow, and highlights areas with the potential for flash flooding.

In the Russian Army, such vehicles were introduced for fighting in urban areas, where the risk from short range infantry anti-tank weapons such as the RPG-7 is highest, after Russian tank and motor infantry units suffered heavy losses fighting insurgents in Grozny during the First Chechen War in 1995.

With Portuguese the dominant language in the areas of heavy Brazilian migration and Brazilian currency circulating as legal tender, the area became closely integrated with Brazil.

These areas were mainly agricultural, with the exception of Upper Silesia which was the second largest centre of German heavy industry.

In March 2010, areas of the state received record flooding due to rising rivers from heavy rain.

In areas with an abundance of timber, wooden shingles are used, while in some countries the bark of certain trees can be peeled off in thick, heavy sheets and used for roofing.

Evidence from medieval documents indicates that the medieval language spoken over the entirety of Sardinia and Corsica was similar to modern Nuorese ; all of the remaining areas are thought to have innovated as the result of heavy external influence from centuries of colonization by Italian and Spanish speakers.

As the railway network is more focused on plantation areas and not on population and service centres, the railways have become an enterprise generating a heavy loss.

In most of the history of the People's Republic of China ( PRC ), in order to funnel wealth to the rural areas, Shanghai has been a comparatively heavy contributor of tax revenue to the central government.

But during the last several years boats were launched in areas where, a short time ago, the only water to be found was in wells and watering troughs for livestock.

Check thickness of clay and build up thin areas by moistening surface with a little water and adding small pieces of clay.

Most park planners look to water frontage for basic park areas.

Figure the cost of providing water to the use areas.

Softener -- e.g. sodium metaphosphate or sodium hexametaphosphate ( if needed in hard water areas ).

Irrigated agriculture is restricted to the areas surrounding rivers and wherever sufficient underground water is available.

Making non-arable land arable often involves digging new irrigation canals and new wells, aqueducts, desalination plants, planting trees for shade in the desert, hydroponics, fertilizer, nitrogen fertilizer, pesticides, reverse osmosis water processors, PET film insulation or other insulation against heat and cold, digging ditches and hills for protection against the wind, and greenhouses with internal light and heat for protection against the cold outside and to provide light in cloudy areas.

All areas of the Ancient Pueblo homeland suffered from periods of drought, and wind and water erosion.

Averaging at least 1. 6 km thick, the ice is so massive that it has depressed the continental bedrock in some areas more than 2. 5 km below sea level ; subglacial lakes of liquid water also occur ( e. g., Lake Vostok ).

Areas of open water left from ice melt are good areas for phytoplankton blooms.

In some areas TCDD concentrations in soil and water were hundreds of times greater than the levels considered " safe " by the U. S. Environmental Protection Agency.

In some areas, TCDD concentrations in soil and water were hundreds of times greater than the levels considered safe by the U. S. Environmental Protection Agency.

Well water can be contaminated in some areas.

Tracks in very sandy or exceedingly rocky areas may require high-clearance four wheel drives and spare fuel, tyres, food and water before attempting to travel them, however most outback roads are easily traversed in ordinary vehicles, provided care is taken.

Occasional pH readings in rain and fog water of well below 2. 4 have been reported in industrialized areas.

Usually this water will be inland ( lakes ) or in protected coastal areas.

# Intertidal levels: The wetness gradient of areas that are exposed to alternating water and dryness with intensities that vary by location from high to low tide

Power and water infrastructure as well as other special developed areas made up 2. 7 % of the area while parks, green belts and sports fields made up 8. 9 %.

In these areas the wave energy breaking against the cliffs is higher, and air and water are compressed into cracks in the rock, forcing the rock apart, breaking it down.

The coast and its adjacent areas on and off shore are an important part of a local ecosystem: the mixture of fresh water and salt water in estuaries provides many nutrients for marine life.

inadequate supplies of potable water ; improper waste disposal in rural areas contributes to soil and water pollution ; desertification

illegal logging activities throughout the country and strip mining for gems in the western region along the border with Thailand have resulted in habitat loss and declining biodiversity ( in particular, destruction of mangrove swamps threatens natural fisheries ); soil erosion ; in rural areas, most of the population does not have access to potable water ; declining fish stocks because of illegal fishing and overfishing