The Major League is the world's largest baseball league and the oldest of the major professional sports leagues in the United States and Canada. It also features some of the richest sports teams in the world. Major League Baseball (MLB) is a professional baseball league with 30 teams: 29 from the United States and one from Canada. Teams play 162 games each season, with five teams from each league advancing to a four-round playoff competition that culminates in the storied World Series.
Wednesday, April 27, 2022
Some Most Successful Baseball Clubs
The Major League is the world's largest baseball league and the oldest of the major professional sports leagues in the United States and Canada. It also features some of the richest sports teams in the world. Major League Baseball (MLB) is a professional baseball league with 30 teams: 29 from the United States and one from Canada. Teams play 162 games each season, with five teams from each league advancing to a four-round playoff competition that culminates in the storied World Series.
Monday, November 1, 2021
Vertical Ventilation in Firefighting

Ventilation removes smoke and hot gases from a burning structure. It is utilized in several scenarios, including fire control, fire attack, overhaul, and search and rescue. Firefighters can use basic ventilation procedures to address many fire hazards.
The goal of firefighting is to stop a fire from spreading horizontally, especially for attic and balloon construction fires. While attic flames are usually too hazardous to vent, balloon fires can benefit from early vertical ventilation. Fires that start in the walls of balloon frame buildings will soon spread to the attic and throughout the building. The consequences of a fire spread decrease if vertical vents are installed early in the attempt to suppress the fire.
Ventilating fires reduces the risk of injury or death to civilians and firefighters. A flashover, the most dangerous type of fire, must be avoided at all costs. A flashover can happen when the majority of the immediately exposed flammable material in a confined area ignites almost simultaneously. Vertical ventilation eliminates heat from a confined space, minimizing the chances of a flashover, and increases visibility to help firefighters inside a building search quickly and, in turn, lower the risk of crews being lost or disoriented.
Vertical ventilation removes harmful gases and smoke by enabling them to flow upwards. This method is an effective technique that has been used by firefighters for over a century, proving itself in countless situations.
The benefit of vertical ventilation is due to fire behavior, as because of convection, heat travels straight up. Vertical ventilation facilitates this natural flow and is, therefore, the most effective at clearing an interior space of smoke. It also lowers, prevents, or stops gas and smoke mushrooming, making interiors safer. In a one-story single-family home, for instance, the results are immediate.
A vent crew, usually composed of two firefighters, starts the vertical ventilation process by removing any existing vents or chimneys in the affected structure. If this isn’t enough to improve ventilation, an opening must be created.
To make the vertical vents, the firefighters use cutting gear, ladders, a charged hose line, and two escape routes. They make cuts in the roof as close to the flames as possible and punch out the ceiling. After completing the cutting and venting, the firefighters leave the roof and return to safety.
Vertical ventilation has its drawbacks. First, firefighters face the risk of being on top of a burning building. These include structure collapse, confusion, and falls.
Second, vertical ventilation is time-consuming for roofs that are difficult to penetrate. Third, floors not at the top of a building may receive minimal benefit. Finally, vertical ventilation requires resources that some departments may lack.
Departments with enough staff may combine vertical ventilation with other methods. Departments with minimal employees may need to use less labor-intensive methods such as negative pressure ventilation and hydraulic ventilation. The former uses smoke ejectors to eliminate smoke from a building, while the latter uses a hose line to direct smoke and hot gases out of the windows.
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Friday, September 17, 2021
Registering for and Participating in the Chicago Marathon
The Chicago Marathon is an elite race that many runners want to compete in. To do so, however, they must adhere to the marathon’s rules. The rules are set by the marathon’s organizers to keep participants safe, meet government rules and restrictions, and comply with World Athletics and USA Track & Field (USATF) regulations. People who wish to participate in the marathon should become familiar with these rules.
To be eligible for the marathon, runners must be able to complete the course in six and a half hours. The marathon offers guaranteed entry to runners who meet specific time qualifying standards at other marathons. There are different standards for male and female runners of different age groups. For example, for the 2020 Chicago Marathon, the qualifying time for men aged 16-29 years was 3:05 hours, and for women within that age bracket was 3:35 hours. The qualifying time for men aged 30-39 years was 3:10 hours, and for women in that age bracket was 3:40 hours. Runners who met these times in a marathon they ran in the previous year could apply for guaranteed entry.
Runners who did not meet these qualifying times could still apply for entry if they had posted the minimum times in half-marathon races, had run and completed the Chicago Marathon at least five times over the last decade, or had completed at least four Shamrock Shuffle 8K races since 2008.
The marathon is not closed to people who do not run competitively, though. Runners who do not meet any of the running-related standards can still gain entry by applying to run for a charity or as part of a tour group.
To apply, runners must be at least 16 years old on race day. They apply by completing and submitting a registration form as well as an event waiver. Runners who are under 18 must have a parent or guardian submit their registration form and event waiver. Registration open dates are announced every year, and they remain open until maximum participant capacity is reached.
Runners who are eventually selected to run the marathon are required to pay an entry fee and are designated event number bibs to act as personal identifiers on race day. Runners must individually pick their bib numbers in the scheduled time period, providing photo identification to verify their identities. They will be required to display this bib number prominently on the front of their running attire during the race. Sale or transfer of bib numbers is strictly prohibited and will lead to the disqualification of a runner and possibly their ban from future events. A timing device is attached to each runner’s bib number, which must be worn correctly during the race.
On race day, runners will be designated to particular start corrals depending on their time qualifying standards. All participants are made aware of their start corral assignments before race day and are required to be at their corral point in the allotted time to officially start the marathon. Runners who enter the race improperly are automatically disqualified.
During the race, runners are required to maintain a pace of at least 15 minutes per mile all the way to the finish line to be recorded and published as official finishers. Those who finish outside the 6.5-hour mark are not officially recorded.
Course marshals and event officials monitor runners during the race. Those who are found to have benefited from an unfair advantage such as shortening the route or receiving assistance using a communication device will be disqualified. Further, all runners are subject to USATF anti-doping rules. Violating these rules will lead to disqualification of the athlete’s results and, where applicable, the forfeiture of all awards.
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Daniel Ahasic is an experienced firefighter who, since 2004, has served as a firefighter and paramedic at the Aurora Fire Department in Aur...

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Daniel Ahasic is an experienced firefighter who, since 2004, has served as a firefighter and paramedic at the Aurora Fire Department in Aur...
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A graduate of Southern Illinois University, Daniel Ahasic is a paramedic and firefighter at the Aurora Fire Department and won in the past t...
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Having served as a clerk and a construction foreman, Daniel Ahasic brings over a decade of experience to his position as a firefighter with...