An injured railroad worker engaged in interstate commerce recovers for on-the-job injuries under:

解析

Railroad workers sit outside the compensation systems entirely: the Federal Employers Liability Act gives them a negligence action against the railroad, so the worker must show employer fault and damages are decided as in any tort case rather than by a benefit schedule. The Jones Act plays that same fault-based role for seamen, and the Longshore Act covers maritime work on and around navigable waters.