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2. List of vacuum tubes - Wikipedia

   en.wikipedia.org/wiki/List_of_vacuum_tubes

   The following letter indicates the filament or cathode type, or the fill gas or other construction detail. The coding for vacuum devices differs between Philips (and other Continental European manufacturers) on the one hand and its Mullard subsidiary on the other. Philips vacuum devices: A; Microwave tubes: Output power <1W

3. Home Depot - Wikipedia

   en.wikipedia.org/wiki/Home_Depot

   This is an accepted version of this page This is the latest accepted revision, reviewed on 6 December 2024. American multinational home improvement supplies retailing company The Home Depot, Inc. An aerial view of a Home Depot in Onalaska, Wisconsin Company type Public Traded as NYSE: HD DJIA component S&P 100 component S&P 500 component Industry Retail (home improvement) Founded February 6 ...

4. Antifreeze - Wikipedia

   en.wikipedia.org/wiki/Antifreeze

   Water pump seal lubricant is also added. Antifreeze was developed to overcome the shortcomings of water as a heat transfer fluid. On the other hand, if the engine coolant gets too hot, it might boil while inside the engine, causing voids (pockets of steam), leading to localized hot spots and the catastrophic failure of the engine. If plain ...

5. One of our most popular items of 2024, AOL readers have ...

   www.aol.com/one-of-our-most-popular-items-of...

   There's not an outlet in my home that isn't filled, at least some of the time, with a lamp, appliance or charger of some kind. In fact, I considered upgrading many of my outlets from two ...

6. Who wants to replace VP-elect JD Vance in the Senate? Ohio ...

   www.aol.com/news/wants-replace-vp-elect-jd...

   Here's what you need to know about the Republicans who are eyeing the job. U.S. Rep. Mike Carey. Carey was first elected to represent Ohio's 15th Congressional District in 2021 with the support of ...

7. Canadian official threatens to cut U.S. energy supplies in ...

   www.aol.com/canadian-official-threatens-cut-u...

   In a bid to avert new U.S. tariffs, the plan would increase the number of officers and buy additional equipment, such as helicopters and drones, to tighten border crossings.

8. Electric heating - Wikipedia

   en.wikipedia.org/wiki/Electric_heating

   Most modern electric heating devices use nichrome wire as the active element; the heating element, depicted on the right, uses nichrome wire supported by ceramic insulators. Alternatively, a heat pump can achieve around 150% – 600% efficiency for heating, or COP 1.5 - 6.0 Coefficient of performance , because it uses electric power only for ...

9. Antistatic device - Wikipedia

   en.wikipedia.org/wiki/Antistatic_device

   [11] [12] The mat would need to be grounded (earthed). This is usually accomplished by plugging into the grounded line in an electrical outlet. It is important to discharge at a slow rate, therefore a resistor should be used in grounding the mat. The resistor, as well as allowing high-voltage charges to leak through to ground, also prevents a ...