Simple machines
No, screws do not have wheels with jagged edges like teeth. Instead, screws have a helical ridge or thread that allows them to grip and hold materials together when turned. The threads provide the necessary friction and mechanical advantage for fastening, but they do not resemble wheels or teeth.
A gear
A wheel with jagged edges like teeth is typically found on a gear or sprocket in a machinery system. Gears and sprockets with teeth are used to transmit motion and power between components by engaging with other gears or chains. They are commonly used in various mechanical systems to control speed, torque, and direction of rotation.
no swans do not have teeth. i have a picture with a swans mouth open trying to bite and it clearly shows they have jagged edges on the beak that look like teeth.
Jagged, Sharp, and Flesh rending.
rocks like jagged teeth
rocks like jagged teeth
They don't have pointed teeth like carnivores, but their teeth wear such that they have sharp edges.
If they're red and under the word, it means the word is misspelled. If they are green then it's a grammar error.
5 to 7 leavs, green, jagged edges. as a plant if its ready to smoke it is in clumps, green and sticky. a little like oregano.
No, not all crystals have smooth edges. Some crystals, like pyrite and fluorite, can have natural jagged or rough edges depending on their formation process. Smooth edges are more common in crystals like quartz and amethyst that form in more stable environments.
Get clay, make it into a long rectangle, and bend it like so. Then cut jagged edges along the sides. Voila! California.