Assertion: diesel locomotive | /r/HasProperty | operated by one person
Facets:
value: safely
type: MANNER
Source sentences:
text: They can safely be operated by one person, making them ideal for switching/shunting duties in yards (although for safety reasons many main-line diesel locomotives continue to have two-person crews: an engineer and a conductor/switchman) and the operating environment is much more attractive, being quieter, fully weatherproof and without the dirt and heat that is an inevitable part of operating a steam locomotive.