Some devices have a plug with 3 contacts because they require a ground connection in addition to the live and neutral connections. The ground connection is used for safety purposes, providing a path for excess electrical current to be safely directed away from the device. Devices with 2 contacts typically do not require a ground connection, such as certain small appliances or devices with double-insulated construction. The number of contacts on a plug is determined by the electrical requirements and safety considerations of the device. **

To remove duplicates from contacts on Apple devices, you can use the built-in feature of the Contacts app. First, open the Contacts app and select the "Card" option from the menu bar. Then, choose "Look for Duplicates" and the app will automatically scan for and display any duplicate contacts. You can then review the duplicates and choose to merge or delete them as needed. This process will help you clean up your contacts and remove any unnecessary duplicates. **

WhatsApp contacts are displayed as numbers instead of names because the app uses phone numbers as unique identifiers for each user. When you add a contact on WhatsApp, it automatically syncs with your phone's contact list and displays the contact's phone number as their identifier. This allows for easy communication and ensures that you can easily connect with anyone who has WhatsApp using their phone number. Additionally, displaying contacts by their phone numbers helps to maintain privacy and security by not revealing personal names to everyone in your contact list. **

No, your contacts on WhatsApp cannot see which other contacts you have on the app. WhatsApp respects the privacy of its users and does not provide a feature that allows others to see your contact list. Your contact list is private and only accessible to you. **

To display all contacts in WhatsApp, including hidden contacts, you can go to the "Settings" menu within WhatsApp. From there, select the "Contacts" option and then choose "Show all contacts" or a similar option that allows you to display hidden contacts. This will make all contacts, including those that are hidden, visible in your WhatsApp contact list. **

Online contacts and real-life contacts can have different qualities. Real-life contacts often involve face-to-face interactions, which can create deeper connections and a better understanding of the other person. On the other hand, online contacts can provide a wider network of people and the ability to connect with individuals from different locations and backgrounds. Both types of contacts can be valuable in different ways, but the quality of the connection ultimately depends on the level of engagement and communication in each relationship. **

It is unclear whether the contacts are broken without more context or information. If the contacts are physically damaged or not functioning properly, then they may be considered broken. However, if they are simply not responding or syncing with a device, there could be other issues causing the problem. It would be best to troubleshoot the contacts or seek assistance from a professional to determine the exact issue. **

Sales contacts are individuals or companies that a salesperson or business has identified as potential customers. These contacts are typically leads that have shown interest in a product or service and have provided their contact information. Sales contacts are an essential part of the sales process as they represent potential opportunities for generating revenue and growing the customer base. Sales teams often use customer relationship management (CRM) systems to manage and track their sales contacts effectively. **