How can the bonding epoxy be effectively applied to cured epoxy for optimal adhesion and strength?

To effectively apply bonding epoxy to cured epoxy for optimal adhesion and strength, it is important to first clean and roughen the surface of the cured epoxy to create a better bonding surface. Then, mix the bonding epoxy according to the manufacturer's instructions and apply it evenly to the cured epoxy surface. Allow the bonding epoxy to cure fully before subjecting it to any stress or load for the best results.