Hardhat ∴ life preserver
Wrench ≈ bouquet
Number of days present < early morning disappearances
Length of visits with children ÷ reciting of letters from home
Approximate value in electromagnets ± number of loads per expressway exit route
Deaf-mute in electrical circuitry relay ≥ random silences
Fact of fluctuating power supply = total unawareness of emotional nourishment
Water flow √ empty wading pool
Approximate speed per takeoff = number of film reels of scenery shot
Hours of back pain ≠ number of pounds of steel struck his head
Number of questions unanswered ≤ quality of curiosity shared
Ability to back out of emotional situations and + ability to turn enormous machines on a dime
Chances of responding the same way to any emotional threat ≈ chance of rain in February in Vancouver
Overall assessment: actions maintain value even without physical form