Metals have distinct physical properties that make them useful in everyday life. They are lustrous (shiny), malleable (can be hammered into shapes), ductile (can be stretched into wires), and good conductors of heat and electricity. Metals also vary in strength and density, influencing their specific uses. For example, gold and silver are valued for their shine, copper for its conductivity, aluminium for its malleability, and steel for its strength. These properties make metals essential in construction, transportation, electronics, and medical applications, such as building bridges, wiring homes, manufacturing vehicles, and creating surgical tools or implants.