1. Appraisal
2. Prevention
3. Internal
4. External
1 & 2 are Conformance
3 & 4 are Nonconformance
Appraisal
4 [MIST]
M – Maintenance of the Laboratory
I – Inspections
S – Statistical Quality Checks
T – Testing
Prevention
8 [RESISTER]
R – Redesign of product
E – Employee training cost
S – Search for high quality suppliers
I – Improvement/Quality improvement projects
S – Suppliers evaluation
T – Training costs
E – Engineering design
R – Redesign of processes
Internal
6 [TODDLERS]
“TDDLRSâ€
T – Tooling Charges
O
D – Disposal Costs
D – Downtime
L – Lost Unit Cost
E
R – Rework/ Reinspection/ Retesting Costs
S – Scrap
External
7 [ReWALL]
“RRRWALLâ€
R – Reengineering an external failure
R – Repair/Product Repair
R – Recall/ Product Recall
E
W – Warranty Costs
A – Returns & Allowances
L – Liability Claims (Complaint)
L – Lost Customers (Complaint)