Drum bearings in front loading washing machines are a critical and wear-prone mechanical component. They may be permanently molded into the wash tub, making it impossible to replace the bearings without replacing the entire tub. The cost of this repair may exceed the residual value of the appliance, forcing the owner to scrap the appliance. This is an example of Insufficient attention to detail when designs are rushed through Research & Development Outsourcing Planned obsolescence Perceived obsolescence