Usability Checklist
Ergonomics
- Rounded Corners and Edges (Comfortable Handling)
- Handle (Intuitive Carrying)
- Grab Points (Non-Slip Lifting)
- Low Thermal Conductivity (Warm Handling)
- Tactile Response (Input-Detect Confirmation)
Intuition
- Left-to-Right Sequence (Observe/Interact)
- Top-to-Bottom Sequence (Observe/Interact)
Edge Cases
- Rolling Stopper (Recovery from Fall on Angled Surface)
- Distinct Color relative to Application Environments (Detection)
Ease of Cleaning
- Smooth Surfaces
- Hand-Fitting Internal Volumes
- Compatible with Water Immersion and Spray
- Minimal Contact with Floor
- Non-Magnetic Exterior
- Non-Adhesive Exterior
- Cleaning-Chemical-Compatible Exterior
Ease of Maintenance
- Problem Warning Signal
- Maintenance Reminder Signal
- Maintenance Guiding Signal
- Graceful Failure Process
- First-to-Fail Points are Easy-to-Replace
- On-Part Identifying Sticker/Engraving (Company Name, Part Number, Serial Number)
- Spare-Parts Inside the Product
Integration
- Parallel Surfaces (Grip-Mounting)
- Hole (Screw or Cord)
Impaired and Constrained Use
- One Handed Use
- Low-Tactile-Sense Use
- Color-Blind Use
- Blind Use
- Deaf Use
- Long-Distance Use
- Awkward-Angle Use
Compact Operation
- Stackable Storage
- Stackable Operation
- Stands Upright Independently
- Fits Through Door
- Fits In Car
- Table Function (Large Flat Top)
- Floor Weight (High-Traction, High-Weight)
- Step-Stool (Small Flat Top, High-Stability)