Delivery of non-defective goods means that the products or items being delivered are in good working condition and free from any defects or damage. This ensures that the goods meet the quality standards and specifications agreed upon between the buyer and seller. It also implies that the goods are safe for use and will perform as intended. In the event that the goods are found to be defective upon delivery, the seller is typically responsible for replacing or repairing the items. **

If you have already paid for the goods and they were not received, you should first try to resolve the issue with the seller. If the seller is unable to provide a satisfactory resolution, you may consider disputing the charge with your payment provider or seeking a refund through other means. It is important to carefully review the terms and conditions of the purchase and consider seeking legal advice if necessary. Ultimately, whether you should cover the costs for non-received goods depends on the specific circumstances and your rights as a consumer. **

A tilted laptop can be harmful if it leads to poor posture and discomfort. Tilting the laptop screen can cause the user to hunch over or strain their neck, leading to potential neck and back pain. It can also put strain on the wrists and hands if the keyboard is at an awkward angle. To prevent these issues, it's important to use a laptop stand or external keyboard to adjust the height and angle of the screen for better ergonomics. **

The shelf is tilted at an angle, with one side higher than the other. This creates a sloping surface where items placed on the shelf may slide or roll towards the lower end. The tilt of the shelf allows for better visibility and access to the items stored on it, making it easier to see and reach objects without having to bend down or strain. **

You can get used goods instead of new goods by shopping at thrift stores, consignment shops, garage sales, flea markets, or online marketplaces like eBay or Facebook Marketplace. You can also consider swapping items with friends or family members, or joining local buy/sell/trade groups. Additionally, you can look for refurbished or pre-owned items from retailers or manufacturers that specialize in selling second-hand goods. **

Complementary goods are products that are typically used together, such as peanut butter and jelly. When the price of one complementary good increases, the demand for the other complementary good may decrease. Substitute goods are products that can be used in place of each other, such as butter and margarine. When the price of one substitute good increases, the demand for the other substitute good may increase. Indifferent goods are products that consumers see as interchangeable and are indifferent between the two, such as two different brands of bottled water. **

One way to secure tilted windows is to install window locks or latches that can be adjusted to secure the window in a partially open position. These locks can prevent the window from being opened further from the outside, while still allowing for ventilation. Another option is to install window guards or grilles that can be adjusted to fit the tilted window, providing a physical barrier to prevent unauthorized access. Additionally, using security film on the windows can make them more resistant to break-ins, even when tilted open. **

I'm sorry, but I am unable to physically see the windows to determine if they are open and tilted. If you are able to see the windows, I would recommend checking them to see if they are open and tilted. If you need assistance with something else, please feel free to ask! **