There are various types of pliers with and without serrations. Pliers with serrations include needle-nose pliers, which have a pointed tip and serrated jaws for gripping small objects, and lineman's pliers, which have a cutting edge and serrated jaws for gripping and twisting wires. Pliers without serrations include slip-joint pliers, which have adjustable jaws for gripping various sizes of objects, and tongue-and-groove pliers, which have smooth jaws and can be adjusted to different widths. Each type of pliers serves a specific purpose and is designed for different tasks. **

The serrations at the bottom of this knife are designed to help with cutting through tough or fibrous materials. They provide additional cutting power by allowing the user to saw back and forth, making it easier to slice through items like bread, meat, or vegetables. The serrations also help maintain a sharp edge for longer periods of time, as they distribute the cutting force along the length of the blade. **

The serrations at the bottom of the knife are designed to help with cutting through tough or fibrous materials. They provide a sawing action that can make it easier to cut through items like rope, cardboard, or tough-skinned fruits and vegetables. The serrations can also be useful for tasks like slicing bread or cutting through meat with a tougher exterior. Overall, they provide additional cutting power for tasks that may be more difficult with a straight-edged blade. **

The caricature of the summit conference in Helsinki shows the leaders of the United States and Russia, Donald Trump and Vladimir Putin, sitting at a table with Trump holding a puppet string attached to Putin. This caricature is a satirical representation of the perception that Trump is under the control or influence of Putin, suggesting that Putin is pulling the strings and manipulating Trump. The image reflects the controversy and speculation surrounding the relationship between the two leaders and the potential influence of Russia on the United States. **

A symposium is a formal gathering or meeting where experts in a particular field come together to discuss and exchange ideas on a specific topic. It is often organized as a series of presentations, panel discussions, and Q&A sessions, allowing participants to share their knowledge and insights with each other. Symposia are commonly held in academic and professional settings, providing a platform for networking, collaboration, and learning within a specific discipline or industry. **

"Der Kongress tanzt" is a German phrase that translates to "The Congress Dances" in English. The phrase originated from the Congress of Vienna in 1814-1815, where European diplomats and leaders gathered to reorganize Europe after the Napoleonic Wars. The phrase is a metaphor for the diplomatic and political maneuvering that took place during the Congress, likening it to a dance where participants carefully navigated their relationships and alliances. It reflects the complex and intricate nature of international diplomacy and negotiations during this historic event. **

A convention is a formal agreement or a set of accepted norms and practices that govern behavior in a particular context or industry. It is a customary way of doing things that is widely recognized and followed by a group of people. Conventions help to establish consistency, order, and predictability in social interactions or professional settings. They can vary across different cultures, societies, or fields of study. **

The G20 summit is a meeting of the leaders of the world's 20 largest economies, representing both developed and developing countries. The summit provides a platform for these leaders to discuss and coordinate on global economic issues, such as trade, finance, and development. It is an opportunity for countries to work together to address common challenges and promote global economic stability and growth. The G20 summit also serves as a forum for leaders to address pressing international issues, such as climate change, terrorism, and global health crises. **