👉 A crackless is a type of communication system that uses only one wire for transmitting data, eliminating the need for multiple wires. This eliminates the possibility of interference and ensures that data transmission is done in a single, uninterrupted path. In other words, it's like having just one line to transmit information, which can be used for both sending and receiving data at the same time without any interruptions or delays caused by multiple lines. This type of communication system is often used in emergency situations where only one line
