safe limits
- boundariesLines marking separation
- thresholdPoint of beginning
- guardrailsProtective edge barriers
- cautionCareful attention to risk
- restraintControl over impulses
margins · buffer · tolerance · redline · danger · warning · protection · moderation · containment · perimeter · ceiling · floor · risk · exposure · control · barrier · edge · cap
- water pollutionsewage, industrial waste, contaminants, algal bloom, toxic waste
- water testingwater quality test, water testing, water sample, water analysis, water sampling
risk and danger
safe limitsdanger zone
High-risk location
lethal dose · fatal exposure · death zone · critical threshold · red zone
constraint vs. freedom
safe limitsno limits
Without any constraints
free rein · free-for-all · without restraint · anything goes