The things need to know when choose a chainsaw !

As we know, the invention of the best chainsaw has played a key role in wood cutting projects for array of years. There are two types of chainsaws available, the gas powered chainsaw and the electric powered chainsaw.
If your power source is not convenient in your workplace, the gas powered chainsaw is a smart choice. In contrast, as for the noise level, the electric powered chainsaw is slightly quieter than the gas ones.

The fact that the chainsaw cannot reach in all the desired places and you have to use ladders to trim branches. Over the past decade, the chainsaw has undergone a dramatic change in science and technology, the pole saw is on the cutting edge. The pole saw is also known as pruning saw or tree pruners, is basically small chainsaw on a pole. The pole saw is a fantastic tool for homeowners to carry out common pruning tasks around the garden.

With a pole saw in hand, you can safely stand on the ground, even as you cut or prun out of reach branches without climbing ladders. Especially, most of the pole saws today have ergonomically designed handles. This tool has anti-vibration qualities.

Pole saws are found in a couple of different types, gas pole saw and electric pole saw.
Gas pole saw.

Gas pole saw is a typical choice of professional landscapers put down to its extra power. Gas model is the most powerful saw that allows you to operate for hours each day all week long. To put it another way, gas pole saw benefits enormously from difficult task such as cutting thicker or stronger branches. Moreover, if you maintain it properly, you can last its longevity. When compared to other saw, the durability levels of gas model are generally impressive.

However, there are some disadvantages of gas pole saw.
First, you may often feel stress on your arms and shoulders a bit more simply because it weighs more than electric powered. This means not easing for you to operate a gas pole saw.
Second, it is not only more expensive than lighter electric option, but also higher noise level.
Third, you may spend amount of the money to purchase initially and maintain it properly. Especially, you are also in view of annoying your neighbors as working with a gas model.

Last, the big problem is emitting poisonous gases into surrounding exerts serious effects on the environment.
Electric pole saw.

A lighter cousin of the gas pole saw, electric pole saw is extremely common choice for the majority of homeowners. It seems to be lightweight compared to the gas ones and this is very beneficial. You can easily with limited strain on the arms. What’s more? It starts up with the push of a button which is obviously much simpler than having to mix the oil and pull the cord a few times as you do with gas tree trimmers. In addition, there is nearly free maintenance.
The rules to operate it are reasonably quiet and you must not come up with the environmental pollution. However, the electric pole saw is limited to a distance of 10 feet from a power outlet. You need to purchase an extension cable to reach your garden. As we mentioned, electric model is surely not as powerful as gas ones.


When shopping for a pole saw, you may be tempted to buy a unit from well-known brands. One brand is Black+Decker. A Fortune 500 manufacturer of industrial tools, it is among the top 20 trusted brands in the United States.
Another brand that you can trust is Husqvarna. This brand is trusted by a lot of professional landscapers. It produces some of the best tile saw and best jigsaw models today.

You can also support for pole saws from Earthwise known for its cordless and electric pole saws. Although their products aren’t as powerful as those from Black & Decker and Husqvarna, Earthwise offers cheaper tools.
All things considered, given the many Poles saw models in the market, you will be a bit confused on which unit to buy, so which types of the chainsaw is the best? The gas pole saw or the electric pole saw? You should think carefully about the tasks you will use for level of thickness you cut through, consider how often you are going to operate it. Will it be better for something low cost if you are only going to use once a year?

How to Recognize the Contaminated Water Sources and Treatment Measures ?

Recently, public opinion is extremely bewildered and nervous about the state of contaminated water, especially in urban centers and other crowded areas. The polluted water sources cause not only challenging and inconvenient conditions of daily living of the all residents, but also leave serious consequences to the health and the economic development, social of each country.

Besides, the infested water sources are the leading causes and favorable conditions for outbreaks of severe diseases such as diarrhea, polio, helminths, encephalitis, trachoma, fungal diseases and so on.

Therefore a smart water filter equipment would be the optimal solution for the problems mentioned above. If you intend to purchase a good product to produce clean water, you need to determine how polluted the water source is as well as the functions of each water filtration system to make more accurate decisions. The following article will mention the reverse osmosis reviews and other related issues.

How to identify the contaminated water

The taste of water likes a fishy smell. Besides, the water color turns into yellowish-green in color when exposing to the air. That means the domestic water is contaminated with iron and alum. Put a few drops of tea water or latex of banana tree into the water source, if the color turns into purple, which means it is polluted.

The water brings strong odors and unpleasant smell like disinfectant, which is a sign of chlorine. Almost all the tap water is treated with chlorine and ozone at the watershed so that we often smell the odor in the early morning due to the remained chlorine odor in the water.

You may get shortness of breath or nausea when smelling the water because it is contaminated with phenol. Besides, if having any H2S in the water, there is a bad smell of rotten eggs.

There is a black film on the water surface as well as the plaque on the cookware, which is the sign of hard water (the water sources contain calcium and magnesium salts).

However, the best method is to bring the water samples to the specialized units that are equipped full of modern machines to test the water and give the optimal resolutions.
The immediate treatment measures
– Boiling the water before using.
– Not to drink boiled water after 24 hours (because after 24 hours, the boiled water would become contaminated again).
– Using activated carbon to filter the water.

Notwithstanding, these are only the temporary solutions. Because although the water has no color, no smell, no residue, it does not mean that the water source your family using for drinking and cleaning is pure and clean. Arsenic and ameba are substances that can not be detected with the naked eye and cannot be removed by boiling method.

The membrane reviews

With modern technology, the filtration system with different membrane below will eliminate the various types of particles and impurities in the water.

Ultrafiltration membrane
Ultrafiltration membrane (abbreviated as UF) can remove the small elements with the pores 0.1 micrometers in size. Therefore, the ultrafiltration membranes cannot eliminate the solutes.

NANO membrane

The NANO membranes (abbreviated as NF) are designed to provide clean filtered water and hard water softening. Furthermore, it can eliminate the chlorine, multivalent ions, the single-molecule organic matter and other contaminants completely.

Reverse osmosis membrane
Water purified by reverse osmosis (abbreviated as RO) can remove up to 95 percent of dissolved ions, and 99 percent of most contaminants. This system is compact, but it supports for users requiring 2000 to 12000 gallons per day water production. The device is fully equipped with the instruments needed for the reliable long-term operation.
Depending on the needs and purposes of using water, we have to choose the most suitable water filtration system with different membranes to produce the pure and clean water with the highest quality. Thus, the health of individuals, families and the whole society can be guaranteed.

whole house reverse osmosis system !

Pure and safe water is an essential need of every human being and house hold in daily life. However, not everyone knows that the water coming out of her kitchen tap is not completely safe. The contaminants, chemicals, and bacteria can infiltrate groundwater as well as the rusted and corroded pipes can introduce impurities into the water lines, which enters the body and causes an adverse effect on health. Therefore, a reverse osmosis system is an excellent investment to produce clean and healthy water. Below is what a whole house reverse osmosis system can bring to you.

1.Removing contaminants
There is no doubt that there is a lot more than just H2O in the using water right at your house. The polluted water with unhealthy contaminants including lead, arsenic, copper, fluoride, total dissolved solids and the smallest particle.

Especially, excess levels of these in the body lead to the risks of diseases like increased blood pressure, muscle damage, even development of nerve. Notwithstanding, you can drastically reduce the unwanted materials thanks to a reverse osmosis system. The special membrane removes the chemicals, heavy metals and the vast majority of microscopic organisms that boiling water and ultraviolet light cannot. Hence, the main role of a reverse osmosis system is undeniable.

2.Safe for the patients
Obviously, the patients should have an intensive care and diet. This product filters out the tiny germs and microorganisms that can increase the risk of having an infection. The patients, particularly during and after their treatment, have weakened immune systems. So RO water treatment helps avoid any infection when using water, especially cancer patients.

3.From improving taste to save money
Sulphur-based compounds, dissolved minerals, and other impurities make tap water unpalatable and unpleasant odors, eventhe opaque look of water. Besides, it not only affects the taste of the food and drinks you make but also discolors it.

Instead of spending lots of money buying bottled water, a wise investment is a reverse osmosis system, which removes these substances and gives you clean, safe and delicious water.
Your household will have quality drinking water to use so that the beverages such as coffee, tea, and ice taste better with delicious, clean water with reverse osmosis system.

4.Reducing sodium
The large presence of sodium molecules in the drinking water at your home can further deteriorate the health of your family members, especially people who have problems with kidney disease, liver disease, or blood pressure. The RO system can wipe off the presence of sodium molecules in water.

The research indicated that the large sodium molecules could not pass through the membranes of the RO system so that the risk of any sodium restrictions can also be avoided when you make use of the RO system properly.
Another benefit of this product is low energy consumption. This means that a reverse osmosis system is to start and shut off automatically when the tank or similar containers is full of filtered water. This saves you from checking the unit as well as saves on energy costs and no water is wasted.

Besides, reverse osmosis systems are environment-friendly because it does not produce any chemicals during the filtration process while it requires a small amount of power. Furthermore, this system is convenient and easy to maintain. Because the RO system can be placed in the basement, the counter or on the floor with little space. RO systems are easy to clean compared to other devices.

One more thing is that reverse osmosis does not only produce pure drinking water but also serves for many other uses like washing car. Also, RO system can treat hard water that is known to cause spotting on the car in particular and vehicles in general due to the heavy minerals. Thus, we can cut on cost whenever you have your vehicles dried by using a reverse osmosis system to remove these impurities.

Again, you drink every day so that a pure and clean water source is necessary for a healthy body. However, you will have many choices when tap water is not clean even after it has been treated at a water plant. That are reasons why you should choose a whole house reverse osmosis system for refreshing water right now.