Words to Describe nonintrusive

Things nonintrusive often describes ("nonintrusive ________")

• method
• observation
• approach
• studies
• devices
• procedures
• indicator
• measure
• manner
• relationship
• techniques
• activity
• contact
• therapist
• inspections
• support
• testing
• way
• monitor
• means
• equipment
• probe
• monitoring
• therapies
• measurements
• methods
• strategies
• role
• measures
• technique
• measurement
• technologies
• observer
• nature
• sensor
• ways
• diagnostics
• behavior
• environment
• systems
• system
• device
• inspection
• government
• sensors
• tools
• questions
• presence
• fashion
• technology
• music
• tests
• procedure
• framework
• tool