Simple categories matching laborious:

• job,
• task,
• activity,
• movement,
• procedure,
• process,

Members with property laborious:

• miscellaneous_service,
• surgery,
• terrace_construction,
• washing,
• construction,
• painting_job,
• treatment,
• application,
• painting,
• loading,
• business_research,
• manual_farming,
• binding_assay,
• hull_construction,
• dialysis,
• spraying,
• soaking,
• impact_analysis,
• cloning,
• trail_maintenance,
• search,
• user_survey,