Tuesday, September 28, 2010

Advantages of Manual Transmission

Manual transmission is a standard transmission. It is one type of transmission which is used in motor vehicle applications. The driver of the car has to change the gears in case of manual transmission vehicle system. In this driver has to determine the best moment to change the gears and it can be done by engaging the clutch.

Advantages:
  • Generally, manual transmission vehicles have lower price than automatic one. If seen in the case of repairs, and maintenance costs then they are low in manual transmission vehicles than automatic transmission vehicles. If vehicle is damaged then the clutch, and labor intensive components can be easily managed in manual transmission vehicles.
  • Working on a manual transmission is much easy than automatic one. And repair cost of manual transmissions are lower than automatic. It requires less service in the long run,so maintenance charges will be less.
  • Manual transmission vehicle gives higher gas mileage, and it consumes 5 to 15 percent lesser fuel. It depends on driver habits and road conditions. Though automatic transmission vehicles are easy to operate, a lot more gas is burned than manual transmission vehicles.
  • Better control over the car is allowed by manual transmission vehicles. The power of engine can be maintained where you want it, in manual transmission system vehicles, it is based on road's condition. Though there is sophisticated electronics, the automatic transmission vehicle will not be smarter than human brain.
These are the advantages of the manual transmission vehicles. Though there are many advantages, you have to purchase the vehicle according to your requirements.

Tuesday, September 7, 2010

Factors Which can Alter The Result Of Marijuana Drug Test

As the use of drugs is increasing day by day, drug testing is also increasing along with the drug usage. While taking the case of marijuana, mostly urine test is performed for detection. The test can be done in any place whether it may be in schools, colleges, work places etc.

But, there are some factors which alter the results or getting false positives. Some of the factors are human errors, medications etc.


Human Errors:
In general, after screening test is done, a confirmatory test is done. For the confirmatory test the urine sample is sent to the laboratory, for conducting Enzyme multiplied immunoassay technique. During the conduction of the test, human errors will occur. These human errors are caused because of labeling or because of lack of proper training for the staff, because of negligence. All these make the result to be positive which is not true.

Medications:
Some of the medications will also give false positives for the tests which are done. So, many medication companies are warning regarding the false positives of the test. So, the tested person should be careful while the marijuana drug test is done. He/She should bring the prescription as well as the medications while the test is done. Some of the medications like non-steroidal anti-inflammatory medications, medications which are used for controlling nausea and vomiting may also cause false positives when marijuana drug test is conducted.

Other factors:
Some of the Kidney disease medications, liver disease medications, Hemp seed oil, diabetes medications will also give false positives for the marijuana test. So, it is better to carry a bottle or pill of medications to show.

These are the different factors which lead to false positives of marijuana drug test.