Ali Blog's & Article's

1 The Dengue: Dengue fever (also known as breakbone fever) can cause high fever, severe joint and muscle pain, and vomiting. Dengue can be fatal, killing about 25,000 people yearly, even though there is no specific antiviral treatment for the disease; doctors simply treat the symptoms. If you live in or travel to areas where dengue fever cases have been reported, there are several things you can do to protect yourself from catching this potentially fatal illness. 2 Types of Dengue Dengue is a tropical disease caused by 4 different viruses. Only two viruses, DENV-1, and DENV-2 cause dengue fever. The other two, DENV-3 and DENV-4, cause dengue hemorrhagic fever (DHF), which can be deadly. While dengue fever can be uncomfortable and inconvenient for infected people, DHF is a much more severe disease that requires immediate treatment. Dengue has seen a rapid increase in cases globally in recent years; according to WHO figures, there were 390 million cases of dengue worldwide in 2010 (the l...

The chainsaw was invented in 1930 by Edwin Budding of the United Kingdom, and it quickly became the most popular tool on the planet. The device has been used to help build cities and complete backbreaking tasks, and it has saved countless lives by helping to remove fallen trees after natural disasters such as hurricanes and tornadoes. Let’s take a look at how this powerful piece of equipment evolved, the various types that are available today, and how they are used in unique applications to help with construction, land clearing, and other tasks. Why Use A Chain Saw? A chainsaw is a power saw that cuts with a set of teeth attached to a rotating chain that runs along two rails (called the guide bar). It cuts by pulling the chain towards the operator, pushing it away from them, or both. Chain saws can be used for cutting firebreaks in wildland firefighting, clearing brush and trees in forestry, cutting logs to length, processing firewood, and harvesting timber. What Are The Different Type...