the single biggest enemy of retaining walls is\nrust\nwater\nundersized rebar\ninadequate excavation\ninadequ…

the single biggest enemy of retaining walls is\nrust\nwater\nundersized rebar\ninadequate excavation\ninadequate tie backs\nquestion 48\na vulnerable spot for rust on a steel railing is\nthe newel post\nthe base where it enters concrete\nthe connection between the railing and the top of the spindles\nthe connection between the spindles and the bottom of the railing\nthe point at which the railing connects to a house wall

Answer