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Archive for June, 2009

Courses in Plumbing Can Provide You a Bright Career

James Copper recently asked:


The demand for plumbers is increasing rapidly, and so is the demand for courses in plumbing. The number of institutes offering courses in plumbing training is also increasing simultaneously. If we humans are having clean and hygienic life style, then that credit goes to our practice of plumbing tradition. A lot of waste water is generated daily. Proper disposal of that water is very essential for keeping our surroundings clean. Dirty surroundings can spread deadly diseases. There were no courses in plumbing in ancient times. Yet human beings developed plumbing methods to keep clean surroundings by disposing waste water and waste material. Today a plumber is required every where while building houses, offices, hospitals, airports, and malls etc. A plumber is an important part of any construction. Construction of all these premises is useless until plumbing work is done. Courses in plumbing training can definitely offer a great career option.

The practice of plumbing methods is very ancient. It was around 4000 years back, in 1700 B.C that a man named Minoan Palace created four distinct drainage methods in Knossos which used to discharge in big sewers made from stone. There were no courses in plumbing in those days. It was just a pure form of art that time, but along with the time humans developed newer and newer methods of plumbing.

There are many courses in plumbing. Choosing the right one is very important, especially when there are so many to choose from. There are many ways of doing plumbing courses. Firstly there are part time courses in plumbing, which are ideal for people who are already working somewhere else. Then there are courses in plumbing which are online. Although online courses in plumbing provide good knowledge of plumbing, they are not ideal for people who are wishing to take up this profession full time. Lastly there are colleges offering many full time courses in plumbing. Generally courses in plumbing offered by big and reputed college have an extensive practical training, which online courses cannot offer. The best way to find information about courses in plumbing is internet. Internet is a great source of information. One can go through all the institutes offering courses in plumbing. Check their syllabus and affiliation.

Once you have decided to become a plumber, it is essential to understand certain facts about this profession before selecting one of the courses in plumbing. All the courses in plumbing teach you, only theoretical part of plumbing and give you some practical training. But a plumber actually learns while working, because there are many types of problems and complication that a plumber may face while working. A plumber has to take quick (one the spot) decisions to solve those problems. A plumber has to work in all environments and even in dirty places. This is definitely not a “White Collar” job. A plumber must have a good health. All technical works involve arithmetical calculations. So a good mathematical knowledge is essential for a plumber. It is essential to have good aptitude towards understanding technical drawing, as courses in plumbing involve studying with technical drawings.



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Tuesday, June 30th, 2009 Careers No Comments

The Leak Testing of Refills

Tracy Bao recently asked:


Pens and refills are necessities in our daily life and business. The refill leakage will affect the regular application, but contaminate our clothes as well. Then, how to guarantee a good leak-resistance performance? Labthink, as the excellent testing instrument and service provider, provides the relevant standards, methods and instruments as follows:

1. The Leakage Tester for Refills

According to relevant roller ball pen and refill standards, such as QB/T 1655-2006, the testing instrument is called redactor. Labthink MFY-01 Leak Tester is such to test the leak property under pressure reducing principle and has been widely applied.

2. Testing Methods and Procedure

A. Adjust the pressure reducing speed of MFY-01 Leak Tester to 10-12KPa/min.

B. Take the refills with half ink as the specimen.

C. Take off the pen cup, and insert the specimen with its head downward into the pen-stand, and place into the vacuum tank. Then, put on the lid of the vacuum tank.

D. Turn on the compressed air source, set the vacuum degree and vacuum maintaining time (10 minutes is a regulation). Take care of the different vacuum degree for different kinds of refills.

E. Start testing, when vacuum degree achieving the set value, MFY-01 Leak Tester will record the vacuum degree as programmed, and test whether the refill leaks or not.

The above is a brief introduction of the leak testing of refills. Labthink is willing to have more and thorough exchanges on quality control, testing item and method of pen industry.

Labthink Instruments Co., Ltd.

No. 144 Wuyingshan Road, Jinan 250031, China

Tracy Bao  info@labthink.cn

Tel: 0086 531 85061153  fax:0086 531 85812140

 



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Monday, June 29th, 2009 Technology No Comments

How Is Tap Water Tested For Contamination In Your Locality?

Derek Reeve recently asked:


How is tap water tested for contamination? Have you asked this question yet? Of course, there have been plenty of reports from several research institutes stating that tap water is badly contaminated, highly dangerous to drink it or use it for other purposes on a regular basis. But, as you know, the quality of drinking water is not the same across the whole country. It differs from state to state. So, you need to test the tap water in the area you live in to get an idea of the pollution level and what you need to do about it.

 If you ask your municipal authorities the question ‘how is tap water tested for contamination’, they will probably say that it has been tested as per rules and that the contaminants found in water are within the standard limits set by the EPA. However, time and again it has been proven that the amount of contaminants in tap water is far higher than what is actually allowed by the EPA.

 This is not just the case with one or two states, but nearly 30 states across the country. Tap water samples from these states have been tested and it has been found that the level of microbial contaminants and chemical contaminants were far higher than what is prescribed by the EPA.

 How can this happen? The answer is simple. Chlorination is the only method used by the municipal authorities across the country to disinfect water. Unfortunately, chlorine is just a disinfectant. It cannot get rid of the toxic chemicals present in tap water. So, unless you test the tap water you get, you cannot be sure how badly it is contaminated.

 If you are a home owner, you can test your own tap water by using a home water testing kit. Using such a kit, you can test your tap water for microbes, chlorine level, heavy metals, and so on. After seeing the results, you can look for a good water filter that will get rid of this pollution.

 Since the water you get can have a variety of contaminants like cysts, microbes, chemicals, and drugs, you need to go for a water filter based on a good technology that can get rid of all these contaminants. Multi level filtration is a good option. Multiple active carbon filters seem to work well in removing such contaminants - a fact which has been proven by several tests done by water testing institutes. So, try to get an active carbon water filter to get the best results.

 Now that you know the answer to the question ‘how is tap water tested for contamination’, you need to act immediately. You should make sure that neither you nor your family Have to drink contaminated water ever again. So, get a good water purifier today and keep diseases at bay.

 



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Sunday, June 28th, 2009 Kitchens No Comments