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Are armed drones useful?
Armed drones can be useful in certain situations, such as targeting and eliminating high-value enemy targets, conducting reconnaissance and surveillance, and providing support to ground forces. They can also be used in situations where sending in manned aircraft or troops would be too risky. However, there are also concerns about the ethical and legal implications of using armed drones, as well as the potential for civilian casualties and the impact on international relations. Therefore, while armed drones can be useful in some scenarios, their use should be carefully considered and regulated.
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Is the C-rating important for flying FPV drones with LiPo batteries?
Yes, the C-rating is important for flying FPV drones with LiPo batteries. The C-rating indicates the maximum continuous discharge rate of the battery, which is crucial for providing the necessary power to the drone's motors during flight. Choosing a LiPo battery with a sufficient C-rating ensures that the battery can deliver the required current without being overtaxed, which can lead to voltage sag and reduced performance. Therefore, it is important to consider the C-rating when selecting a LiPo battery for FPV drone flying.
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What accessories for a play store are useful materials?
Useful materials for a play store include play money, a cash register, shopping baskets or carts, pretend food and groceries, a play kitchen set, and a variety of play household items such as cleaning supplies and cooking utensils. These accessories help children engage in imaginative play, develop their social and communication skills, and learn about the concept of buying and selling. Additionally, having a variety of items allows children to explore different roles and scenarios, enhancing their creativity and problem-solving abilities.
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Is a small parts filter useful for vacuum cleaners?
Yes, a small parts filter is useful for vacuum cleaners as it helps to trap and contain small particles such as dust, dirt, and allergens. This can prevent these particles from being released back into the air while vacuuming, leading to a cleaner and healthier environment. Additionally, a small parts filter can also help to protect the vacuum cleaner's motor and prolong its lifespan by preventing debris from clogging or damaging the internal components.
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Why are homework portals useful or not useful?
Homework portals can be useful because they provide a centralized platform for students to access assignments, resources, and important information from their teachers. This can help students stay organized and on track with their work. However, they can also be not useful if they are not user-friendly or if teachers do not update them regularly, leading to confusion and frustration for students. Overall, homework portals can be a valuable tool for enhancing communication and efficiency in the learning process when used effectively.
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Are blackbirds useful?
Yes, blackbirds are useful in various ways. They help control insect populations by feeding on pests like caterpillars, beetles, and grasshoppers. Additionally, they play a role in seed dispersal by consuming fruits and spreading seeds to new locations. Blackbirds also contribute to the ecosystem by serving as prey for larger predators, helping to maintain a balanced food chain.
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Are flies useful?
Flies play a crucial role in the ecosystem as they help in the decomposition of organic matter. They are important pollinators for certain plant species and serve as a food source for other animals. However, some species of flies can also be harmful as they can spread diseases by contaminating food and surfaces. Overall, flies have a mixed impact on the environment, with both beneficial and harmful aspects.
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Are cars useful?
Yes, cars are incredibly useful as they provide a convenient and efficient mode of transportation for individuals to travel from one place to another. They offer flexibility and freedom to explore different destinations at one's own pace. Additionally, cars are essential for commuting to work, running errands, and transporting goods, making them an integral part of modern society.
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