Most Expensive Flag


A flag is defined as a piece of fabric (frequently rectangular or square) that has distinctive designs and colors. Flags can be used for many different purposes including national identity, signalling, messaging, advertising, or simply for decoration. The study of flags is known as “vexillology“. Marine Signal flags are particularly important at sea. Understanding their … Read more



A Woofer is not only the nickname for your pet dog, it is also the technical name a loudspeaker driver that is designed to produce low frequency sounds. They usually range from 50 Hz up to 1000 Hz. A Subwoofer goes even lower, ranging from 20–200 Hz for consumer products. A lot of music enthusiasts have … Read more