👉 A blockage in a system refers to an obstruction or restriction of flow that prevents a fluid, gas, or liquid from passing through it. In other words, a blockage is any obstacle that stops water, air, or other substances from flowing through a pipe, drain, or other closed conduit. This can be caused by various factors such as a blocked valve, a clog in the plumbing system, or a malfunctioning device. Blockages are often seen when there's an insufficient flow of
