No, it is not possible to break all the windows with a safety hammer. Safety hammers are designed to break tempered glass, such as car windows, but they may not be effective on other types of glass. Additionally, the force required to break a window with a safety hammer may vary depending on the thickness and strength of the glass. It is always best to use the safety hammer as intended and to seek professional assistance when dealing with glass. **

It ultimately depends on personal preference and what you would use more often. If you find yourself needing a pen frequently, then a pen would be the more practical choice. However, if you are someone who frequently loses or misplaces keys, then a keychain might be the more useful option. Both items can be functional and stylish accessories, so it's really a matter of what you would get the most use out of. **

Without further information or context, it is difficult to determine if the keychain is broken. If you can provide more details about the issue with the keychain, such as a description of the damage or malfunction, I would be happy to help assess the situation. **

A car keychain is a small decorative item that is attached to a set of car keys. It is often used to personalize and accessorize the keys, and can come in various designs, shapes, and materials. Some keychains may also have additional functions, such as a mini flashlight or a bottle opener. Overall, a car keychain serves as a practical and stylish way to keep track of and identify one's car keys. **

This keychain is a multi-functional tool that can perform a variety of tasks. It includes a bottle opener, a screwdriver, a wrench, and a ruler, making it useful for everyday tasks and emergencies. Its compact size and lightweight design make it easy to carry around and have on hand whenever needed. Overall, this keychain is a versatile and practical tool for anyone to have. **

In hammer throwing, the hammer flies in a circular path around the athlete before being released. The athlete spins around several times to build momentum and then releases the hammer at a specific angle to achieve maximum distance. The hammer flies forward and upward, propelled by the athlete's strength and the centrifugal force generated by the spinning motion. The goal is to release the hammer at the optimal angle and velocity to achieve the greatest distance. **

The choice between a hammer drill and a rotary hammer depends on the specific task at hand. A hammer drill is better for light to medium-duty tasks such as drilling holes in wood, metal, or masonry. On the other hand, a rotary hammer is more suitable for heavy-duty tasks like drilling larger holes in concrete or masonry, as it delivers more power and has a chiseling function for breaking up tough materials. Therefore, if you are working on smaller, less demanding projects, a hammer drill may be sufficient. However, for larger, more challenging projects, a rotary hammer would be the better choice. **

The choice between a hammer drill and a rotary hammer depends on the specific task at hand. A hammer drill is better for light to medium-duty tasks such as drilling holes in wood, metal, or masonry. On the other hand, a rotary hammer is better for heavy-duty tasks such as drilling larger holes in concrete or masonry, as it delivers more power and has a chiseling function for breaking up tough materials. Ultimately, the better tool depends on the specific needs of the project. **