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The Science Behind Streak-Free Windows: What Professionals Do Differently
When it comes to window cleaning, nothing beats the satisfaction of streak-free, crystal-clear glass. But achieving this pristine finish isn’t as simple as grabbing a cloth and some spray. Professional window cleaners have mastered the science behind streak-free windows, using specific techniques and tools to deliver flawless results. Here’s what they do differently and why their methods are so effective.
1. Using the Right Tools for the Job
Professionals don’t rely on standard cleaning products or paper towels to get the job done. Instead, they use high-quality tools specifically designed for window cleaning. Key items in their arsenal include:
- Squeegees: The cornerstone of any professional’s toolkit, squeegees ensure even water removal, leaving no streaks behind. The rubber blades are replaced regularly to maintain their effectiveness.
- Microfiber Cloths: Unlike traditional rags, microfiber cloths are lint-free and highly absorbent, making them perfect for detailing and edge cleaning.
- Specialized Cleaning Solutions: Professionals often use eco-friendly, ammonia-free solutions that dissolve dirt and grease without leaving residues.
- Water-Fed Poles: For high-rise or hard-to-reach windows, water-fed poles equipped with purified water systems are used to clean without streaking.
2. The Importance of Purified Water
One of the secrets to streak-free windows lies in the water itself. Tap water contains minerals, salts, and impurities that can leave behind spots and streaks when it dries. Professionals use purified water systems that remove these contaminants, ensuring a spotless finish.
Purified water also has a natural ability to dissolve dirt and grime more effectively than regular water. When combined with the right tools, it creates the perfect formula for crystal-clear windows.
3. Perfecting the Technique
The way professionals clean windows is just as important as the tools they use. Here are some techniques they employ to achieve streak-free results:
- Pre-Cleaning: Before tackling the glass, professionals remove loose dirt and debris from the surface to prevent scratches.
- Systematic Movements: Using a squeegee, they clean in overlapping strokes, starting at the top and working their way down. This ensures no spots are missed and prevents water from dripping onto already cleaned areas.
- Edge Detailing: Professionals pay special attention to the edges and corners of the glass, where streaks are most likely to form. Microfiber cloths are often used for this step.
- Drying Techniques: Any remaining water is carefully wiped away to prevent streaking. This step is crucial, especially in areas with high humidity.
4. Timing Matters
Professional window cleaners know that timing can make or break the outcome. Cleaning windows on a sunny day might seem like a good idea, but direct sunlight causes cleaning solutions to dry too quickly, leaving streaks behind. Professionals prefer overcast days or cooler parts of the day to ensure optimal results.
5. Safety First
For high-rise buildings or windows in hard-to-reach places, safety is a top priority. Professionals use specialized equipment like harnesses, ladders, and scaffolding to ensure they can clean effectively without compromising safety. This expertise allows them to tackle challenging jobs while maintaining streak-free quality.
6. Experience and Training
What truly sets professionals apart is their experience. Years of practice have honed their skills, allowing them to identify and address potential issues, like hard water stains or stubborn grime, before they become a problem. Their training ensures they can adapt to different types of glass and environments, delivering consistent results every time.
A Trusted Name in Toronto
When it comes to achieving streak-free windows, Toronto Window Cleaners has perfected the art. With over 20 years of experience, their team of fully trained and certified professionals uses advanced techniques and tools to deliver exceptional results. Whether it’s a residential property or a high-rise building, they’ve built a reputation for excellence across the Greater Toronto Area.
In conclusion, the science behind streak-free windows is a blend of using the right tools, employing expert techniques, and understanding the conditions that impact cleaning results. By trusting professionals, you’re not just ensuring sparkling windows—you’re investing in a methodical process that guarantees perfection every time.
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UCLA student government condemns campus Hillel for hosting former hostage
A campus event featuring freed Israeli hostage Omer Shem Tov drew the condemnation of UCLA’s student government on Tuesday. In an open letter, the UCLA Students Associated Council said that bringing Tov to speak to students “served to legitimize and normalize” atrocities in Gaza and Lebanon.
Shem Tov, 23, was kidnapped from the Nova music festival in Southern Israel on Oct. 7, 2023, and held hostage in Gaza until his release in a prisoner exchange in February 2025. UCLA hosted him on April 14 for a Yom HaShoah event.
“While we affirm the humanity of all people impacted by violence, we reject the selective platforming of narratives that obscure the broader reality of ongoing state violence,” the student government letter wrote in the letter, which was addressed to the UCLA administration and UCLA Hillel among others. “Israel is currently continuing to carry out what has been widely identified by human rights advocates as a genocide in Gaza, while also expanding its illegal military campaign into Lebanon.
“In this context, elevating a single narrative, absent of critical political and humanitarian framing, serves to legitimize and normalize these ongoing atrocities.”
Rabbi Chaim Seidler-Feller, UCLA Hillel’s director emeritus, called the statement “completely ridiculous.”
“You can’t present the narrative of your experience without it being called ‘one sided,’” Seidler-Feller said. “There has to be a counter-story to persecution. Is there a counter-story to killing people?”
UCLA Hillel executive director Daniel Gold dismissed the criticism in Tuesday’s letter as antisemitic.
“Hillel at UCLA and Students Supporting Israel UCLA would like to apologize…for absolutely nothing,” he wrote in a statement. “Members of UCLA student government have once again shown they are anti-dialogue, anti-learning, anti-truth, anti-student and antisemitic.”
The USAC did not respond to a request for comment.
As college campuses across the country became a hotspot for pro-Palestinian activism following the Oct. 7 attack, UCLA, with an activist history and a large Jewish population, stood out as a major flashpoint. Its student encampment was the site of a riot in April 2024 and eventually cleared by police in riot gear.
The USAC has sided with pro-Palestinian protesters throughout. In a Feb. 2025 letter titled “We Are All SJP,” the USAC, which is democratically elected by the roughly 30,000-member UCLA student body, condemned Chancellor Julio Frenk’s suspension of Students for Justice in Palestine. The letter referred to Israel only as “the Zionist state” or put the country’s name inside quotation marks.
The University of California has since been sued by the Department of Justice, which said that UCLA created a hostile work environment against Jewish and Israeli faculty in violation of Title VII of the Civil Rights Act.
The post UCLA student government condemns campus Hillel for hosting former hostage appeared first on The Forward.
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Trump extends ceasefire with Iran, even after Iran balks at new round of negotiations
(JTA) — President Donald Trump announced on Tuesday that he would unilaterally extend the U.S.-Israeli ceasefire with Iran, even though Iran had not agreed to his conditions or even to return to the negotiating table.
Trump announced the decision on Truth Social just hours before the two-week-old deal was set to expire. Citing Iran’s “fractured” leadership, Trump wrote that he had been asked by Pakistani Prime Minister Shehbaz Sharif to “hold our Attack on the Country of Iran until such time as their leaders and representatives can come up with a unified proposal.”
Vice President JD Vance’s planned trip to Islamabad, where talks were set to take place, was postponed indefinitely after Iran failed to confirm its participation in negotiations.
Trump added that the United States would maintain its naval blockade of Iranian ports in the Strait of Hormuz, despite Iran’s repeated calls for the restrictions to be lifted.
The announcement marked a sharp departure from the president’s statements earlier in the day, telling CNBC that, if a deal was not made before the deadline, “I expect to be bombing.”
In a statement Tuesday, Sharif thanked Trump for his “gracious acceptance” of Pakistan’s request to extend the ceasefire, adding that the country would “continue its earnest efforts for a negotiated settlement of the conflict.”
The announcement adds to uncertain about the war’s future, including for Israelis who lived through six weeks of Iranian bombing, and renews questions about Trump’s commitment to achieving his war goals, which have varied and included blunting Iran’s nuclear ambitions, achieving regime change, and destroying Iran’s stockpile of ballistic missiles. He said earlier this week that he was asking Iran to limit its nuclear program for 20 years, five years longer than was required by the deal struck by Barack Obama in 2015. Trump exited that deal in 2018.
Last week, Trump announced a different ceasefire, between Israel and Lebanon, on Truth Social, contradicting Israel’s claim that the Iran ceasefire would not apply to its fighting with Hezbollah, an Iran-backed proxy in Lebanon.
Trump’s announcement of the ceasefire extension came during the night in Israel, after Israelis began their celebration of Independence Day. It drew criticism from one of his staunchest pro-Israel supporters, the Zionist Organization of America, whose national president Morton Klein said in a statement that “interminable delay is the standard Islamic Iranian regime negotiating tactic” and that acceding to it represented a victory for Iran. The statement did not mention Trump.
The post Trump extends ceasefire with Iran, even after Iran balks at new round of negotiations appeared first on The Forward.
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Alan Dershowitz quits Democratic Party, calling it ‘most anti-Israel party in U.S. history’
(JTA) — Alan Dershowitz, the prominent pro-Israel attorney whose clients have included Donald Trump and Jeffrey Epstein, announced on Monday that he was leaving the Democratic party and registering as a Republican.
Describing himself as a “lifelong Democrat,” Dershowitz wrote in a Wall Street Journal op-ed that he had decided to “bite the bullet and register as a Republican,” citing Democratic support for an arms embargo on Israel last week and the Michigan Senate candidate Abdul el-Sayed’s anti-Israel rhetoric.
“There is no denying that the hard left, anti-Israel wing of the Democratic Party has moved from the fringe to the mainstream,” Dershowitz wrote, adding that “Republicans have their own antisemitic fringe, but for now it remains a fringe.”
The announcement formalized a political evolution for Dershowitz, who defended Trump during his first impeachment and has increasingly broken with Democrats over Israel in recent years.
In 2021, Dershowitz nominated Jared Kushner, Trump’s son-in-law, and Avi Berkowitz, Trump’s top Middle Eastern envoy during his first administration, for the Nobel Peace Prize over their hand in shaping the Abraham Accords.
Dershowitz — who has recently faced scrutiny over his ties to Epstein, and previously denied allegations of sexual misconduct made by one of Epstein’s accusers — panned the Democratic Party as the “most anti-Israel party in U.S. history” in the op-ed.
“I believe that the Democratic Party’s hostility to Israel represents a deeper and more dangerous shift away from the center and toward a radical approach that is bad for America and the free world,” Dershowitz wrote, adding that he intended to “work hard to prevent the Democrats from gaining control of the House and Senate.”
Dershowitz’s comments are in line with Trump’s statements about Jews and the Democratic Party. He has repeatedly expressed amazement at how any Jews could vote for the Democrats considering his own record when it comes to Israel.
The post Alan Dershowitz quits Democratic Party, calling it ‘most anti-Israel party in U.S. history’ appeared first on The Forward.