rusted, corrosion, rotted, decayed, repaired, welded, cotter pin, damaged, understructure, leaky, malfunctioning, discolored, crumbling, defective, spalled, encrustation, corrosive, leaking, grouted, faulty, brittle, fishplates, cast iron, soldered, frayed, unrepairable, eroded, spalling, polybutylene, abraded, rustproof, shipworms, flue pipe, punctured, sandblast, concretion, hatchway, epoxied, grates, relined, raveling, rusty, ruptured, disintegrating, leached, degraded, pipework, decrepit, discolour, degrease, warped, dentine, encrusted, irremovable, sacrificial anode, congealed, misaligned, subbase, broken, oxidized, dilapidated, asphaltic, girdled, grout, honeycombed, unswept, outdated, blackened, propeller shaft, eyebar, cracks, unbolted, stained, calcified, dry rot, pipes, cementum, rivets, unserviceable, sedimented, fissured, ossified, atrophied, yellowed, cementation, melted, unrepaired, dissolver, unusable, frangible, repoint, seeped, roadbed, sheathing, flaking, inoperable, superstructure, pintle, inoperative, mildewed, transite, aromatic hydrocarbon, annealed, cast, recrystallized, austenitic, etched, sheared, uncracked, ferritic, uncoated, alloyed, decalcified, deformed, sintered, thinner, unwelded, galvanized, machined

., corrode

unsound