Batch Prefix Hub
WK75D Series Number Plates
UK vehicles registered in Truro, Cornwall during September 2025 to February 2026 with registration prefix WK75D.
- Area Office
- Truro (Truro, Cornwall)
- Release Period
- September 2025 to February 2026
- Tracked in Batch
- 97 vehicles
- MOT Pass Rate
- Tracked
—
Average MOT Pass Rate
Based on 0 historical tests
Common Colors
Grey30 vehicles
White24 vehicles
Red15 vehicles
Active Plates in WK75D Series(97 of 97 displayed)
Filter by 6th Letter:
WK75DAA
MOT Expired
MAZDA 3 HOMURA MHEV AUTO
Petrol · White
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DAO
MOT Expired
MAZDA 3 EXCLUSIVE-LINE MHEV AUTO
Petrol · Grey
- First Used
- Dec 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DAR
TaxedMOT Expired
POLESTAR POLESTAR 2 PRIME EV RWD
Electric · Grey
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- Taxed
- Color
- Grey
Check History & Specs
WK75DAU
MOT Expired
MAZDA CX-5 EXCLUSIVE-LINE MHEV AUTO
Petrol · Blue
- First Used
- Dec 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Blue
Check History & Specs
WK75DBO
TaxedMOT Expired
MAZDA CX-30 TAKUMI MHEV
2.5L · Petrol · Grey
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- Taxed
- Color
- Grey
Check History & Specs
WK75DBU
MOT Expired
MAZDA CX-30 PRIME-LINE MHEV
Petrol · Grey
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DBX
MOT Expired
MAZDA CX-5 TAKUMI MHEV
Petrol · Black
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Black
Check History & Specs
WK75DBY
MOT Expired
MAZDA CX-30 HOMURA MHEV
Petrol · Black
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Black
Check History & Specs
WK75DBZ
MOT Expired
MAZDA CX-5 TAKUMI MHEV
Petrol · Grey
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DCE
TaxedMOT Expired
MAZDA CX-30 PRIME-LINE MHEV
2.5L · PETROL · RED
- First Used
- Oct 2025
- MOT Expiry
- —
- Tax Status
- Taxed
- Color
- RED
Check History & Specs
WK75DCO
MOT Expired
MAZDA CX-30 PRIME-LINE MHEV
Petrol · Grey
- First Used
- Jan 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DCU
MOT Expired
MAZDA 3 HOMURA MHEV
Petrol · Grey
- First Used
- Dec 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DCV
MOT Expired
MAZDA CX-5 EXCLUSIVE-LINE MHEV
Petrol · Red
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Red
Check History & Specs
WK75DCX
MOT Expired
MAZDA MAZDA 2 HYBRID EXCLUSVE-LN CVT
Hybrid Electric (Clean) · Red
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Red
Check History & Specs
WK75DCY
MOT Expired
MAZDA CX-30 PRIME-LINE MHEV
Petrol · Silver
- First Used
- Feb 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- Silver
Check History & Specs
WK75DCZ
MOT Expired
MAZDA CX-30 PRIME-LINE MHEV
Petrol · Red
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Red
Check History & Specs
WK75DDA
MOT Expired
MAZDA CX-30 HOMURA MHEV
Petrol · Red
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Red
Check History & Specs
WK75DDJ
MOT Expired
MAZDA CX-30 PRIME-LINE MHEV
Petrol · White
- First Used
- Oct 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DDL
MOT Expired
MAZDA CX-30 PRIME-LINE MHEV
Petrol · Grey
- First Used
- Jan 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DDN
MOT Expired
MAZDA CX-30 PRIME-LINE MHEV
Petrol · White
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DDO
MOT Expired
MAZDA CX-80 HOMURA + D MHEV AUTO
Diesel · Red
- First Used
- Nov 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Red
Check History & Specs
WK75DDU
MOT Expired
MAZDA CX-30 PRIME-LINE MHEV
Petrol · Bronze
- First Used
- Jan 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- Bronze
Check History & Specs
WK75DDV
MOT Expired
MAZDA MX-5 RF HOMURA
Petrol · Grey
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DDX
MOT Expired
MAZDA CX-30 EXCLUSIVE-LINE MHEV
Petrol · Red
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Red
Check History & Specs
WK75DDZ
MOT Expired
MAZDA CX-30 PRIME-LINE MHEV
Petrol · Grey
- First Used
- Oct 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DEB
MOT Expired
TOYOTA RAV4 GR SPORT PHEV AUTO
Hybrid Electric (Clean) · White
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DEU
MOT Expired
MAZDA MAZDA 2 HYBRID CENTRE-LINE CVT
Hybrid Electric (Clean) · Red
- First Used
- Feb 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- Red
Check History & Specs
WK75DFA
MOT Expired
MAZDA CX-5 EXCLUSIVE-LINE MHEV AUTO
Petrol · White
- First Used
- Oct 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DFC
MOT Expired
MAZDA CX-30 CENTRE-LINE MHEV AUTO
Petrol · White
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DFD
MOT Expired
MAZDA CX-30 EXCLUSIVE-LINE MHEV
Petrol · Grey
- First Used
- Nov 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DFE
MOT Expired
MAZDA CX-5 CENTRE-LINE MHEV
Petrol · Grey
- First Used
- Jan 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DFF
MOT Expired
MAZDA CX-30 PRIME-LINE MHEV
Petrol · Grey
- First Used
- Feb 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DFG
MOT Expired
MAZDA CX-30 PRIME-LINE MHEV
Petrol · Grey
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DFJ
MOT Expired
MAZDA MAZDA 2 HYBRID HOMURA CVT
Hybrid Electric (Clean) · Red
- First Used
- Oct 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Red
Check History & Specs
WK75DFL
MOT Expired
MAZDA MX-5 RF EXCLUSIVE-LINE
Petrol · Grey
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DFN
MOT Expired
MAZDA CX-80 HOMURA PHEV AUTO
Hybrid Electric (Clean) · Grey
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DFO
MOT Expired
MAZDA CX-30 EXCLUSIVE-LINE MHEV AUTO
Petrol · Grey
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DFP
MOT Expired
MAZDA CX-5 EXCLUSIVE-LINE MHEV AUTO
Petrol · Grey
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DFX
MOT Expired
MAZDA CX-30 HOMURA MHEV
Petrol · White
- First Used
- Feb 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DGO
MOT Expired
MAZDA CX-5 EXCLUSIVE-LINE MHEV AUTO
Petrol · White
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DGU
MOT Expired
MAZDA MAZDA 2 HYBRID EXCLUSVE-LN CVT
Hybrid Electric (Clean) · Red
- First Used
- Nov 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Red
Check History & Specs
WK75DGV
MOT Expired
MAZDA CX-5 TAKUMI MHEV
Petrol · Black
- First Used
- Oct 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Black
Check History & Specs
WK75DGY
MOT Expired
MAZDA CX-30 HOMURA MHEV
Petrol · Red
- First Used
- Nov 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Red
Check History & Specs
WK75DHC
MOT Expired
MAZDA CX-30 PRIME-LINE MHEV
Petrol · White
- First Used
- Feb 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DHE
MOT Expired
MAZDA CX-30 PRIME-LINE MHEV
Petrol · Bronze
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Bronze
Check History & Specs
WK75DHL
MOT Expired
MAZDA CX-30 HOMURA MHEV
Petrol · Red
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Red
Check History & Specs
WK75DHM
MOT Expired
MAZDA CX-30 HOMURA MHEV
Petrol · White
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DHN
MOT Expired
MAZDA CX-30 HOMURA MHEV
Petrol · White
- First Used
- Nov 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DHO
MOT Expired
MAZDA CX-30 HOMURA MHEV AUTO
Petrol · Grey
- First Used
- Jan 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DHX
MOT Expired
MAZDA CX-30 PRIME-LINE MHEV
Petrol · Blue
- First Used
- Jan 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- Blue
Check History & Specs
WK75DJD
MOT Expired
MAZDA CX-5 CENTRE-LINE MHEV
Petrol · White
- First Used
- Oct 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DJE
MOT Expired
MAZDA CX-5 EXCLUSIVE-LINE MHEV
Petrol · Grey
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DJF
MOT Expired
MAZDA MAZDA 2 HYBRID EXCLUSVE-LN CVT
Hybrid Electric (Clean) · Grey
- First Used
- Jan 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DJJ
MOT Expired
MAZDA CX-30 HOMURA MHEV
Petrol · Blue
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Blue
Check History & Specs
WK75DJO
MOT Expired
MAZDA CX-30 PRIME-LINE MHEV
Petrol · White
- First Used
- Feb 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DJV
MOT Expired
MAZDA CX-30 HOMURA MHEV AUTO
Petrol · Grey
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DJX
MOT Expired
MAZDA CX-30 TAKUMI MHEV AUTO
Petrol · Blue
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Blue
Check History & Specs
WK75DJZ
MOT Expired
MAZDA CX-30 PRIME-LINE MHEV
Petrol · Grey
- First Used
- Feb 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DKA
MOT Expired
MAZDA CX-5 EXCLUSIVE-LINE MHEV
Petrol · Grey
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DKD
MOT Expired
MAZDA MX-5 EXCLUSIVE-LINE
Petrol · Red
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Red
Check History & Specs
WK75DLX
MOT Expired
FIAT DUCATO 35 STANDARD L4H3
Diesel · White
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DNF
MOT Expired
FORD PUMA TITANIUM MHEV
Hybrid Electric (Clean) · Silver
- First Used
- Nov 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Silver
Check History & Specs
WK75DNJ
MOT Expired
FORD PUMA ST MHEV AUTO
Hybrid Electric (Clean) · Blue
- First Used
- Nov 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Blue
Check History & Specs
WK75DOA
MOT Expired
FORD PUMA ST-LINE X MHEV
Hybrid Electric (Clean) · Blue
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Blue
Check History & Specs
WK75DOH
MOT Expired
FORD TRANSIT CUSTOM 320LIMITD EBLUE
Diesel · White
- First Used
- Oct 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DOJ
MOT Expired
FORD PUMA ST-LINE X MHEV
Hybrid Electric (Clean) · Red
- First Used
- Oct 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Red
Check History & Specs
WK75DOU
MOT Expired
FORD RANGER RAPTOR ECOBOOST 4X4 A
Petrol · Blue
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Blue
Check History & Specs
WK75DRX
MOT Expired
FORD PUMA ST MHEV AUTO
Hybrid Electric (Clean) · Red
- First Used
- Nov 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Red
Check History & Specs
WK75DSE
MOT Expired
FORD TRANSIT CONNECT 230 LMTD EBLUE
Diesel · Grey
- First Used
- Dec 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DSO
MOT Expired
FORD PUMA ST-LINE X MHEV
Hybrid Electric (Clean) · White
- First Used
- Feb 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DSX
MOT Expired
FORD TOURNEO CUSTOM 340ACTVE PHEV A
Hybrid Electric (Clean) · Grey
- First Used
- Feb 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DTO
MOT Expired
FORD PUMA ST-LINE X MHEV
Hybrid Electric (Clean) · Silver
- First Used
- Oct 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Silver
Check History & Specs
WK75DUD
MOT Expired
AUDI Q5 ED 1 TFSI MHEV QUATTRO SA
Petrol · Black
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Black
Check History & Specs
WK75DUH
MOT Expired
FORD TRANSIT 350 LEADER ECOBLUE
Diesel · White
- First Used
- Dec 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DUU
MOT Expired
FORD TRANSIT CUSTOM 320 SPRT PHEV A
Hybrid Electric (Clean) · Silver
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Silver
Check History & Specs
WK75DVA
MOT Expired
FORD TRANSIT CUSTOM 320 SPRT PHEV A
Hybrid Electric (Clean) · Grey
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DVC
MOT Expired
FORD PUMA ST-LINE X MHEV AUTO
Hybrid Electric (Clean) · Silver
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Silver
Check History & Specs
WK75DVF
MOT Expired
FORD PUMA ST-LINE X MHEV
Hybrid Electric (Clean) · Black
- First Used
- Nov 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Black
Check History & Specs
WK75DVJ
MOT Expired
FORD TOURNEO COURIER TITANM ECBST A
Petrol · Red
- First Used
- Oct 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Red
Check History & Specs
WK75DVL
MOT Expired
FORD PUMA ST-LINE X MHEV
Hybrid Electric (Clean) · Blue
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Blue
Check History & Specs
WK75DVM
MOT Expired
FORD TRANSIT CUSTOM 280LMTD EBLUE A
Diesel · White
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DVT
MOT Expired
FORD PUMA PREMIUM EV
Electric · White
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DWE
MOT Expired
FORD PUMA ST-LINE X MHEV
Hybrid Electric (Clean) · Blue
- First Used
- Nov 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Blue
Check History & Specs
WK75DWL
MOT Expired
FORD FOCUS ST-LINE MHEV AUTO
Hybrid Electric (Clean) · Silver
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Silver
Check History & Specs
WK75DWM
MOT Expired
FORD RANGER WILDTRAK PHEV 4X4 AUTO
Hybrid Electric (Clean) · Blue
- First Used
- Dec 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Blue
Check History & Specs
WK75DWW
MOT Expired
FORD PUMA PREMIUM EV
Electric · White
- First Used
- Oct 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DXG
MOT Expired
FORD PUMA ST-LINE X MHEV
Hybrid Electric (Clean) · Grey
- First Used
- Oct 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DXH
MOT Expired
FORD KUGA ST-LINE X HEV CVT
Hybrid Electric (Clean) · Black
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Black
Check History & Specs
WK75DXO
MOT Expired
FORD FOCUS ST-LINE MHEV AUTO
Hybrid Electric (Clean) · White
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DXS
MOT Expired
FORD TRANSIT CUST 320 MS-RT PHEV A
Hybrid Electric (Clean) · Grey
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DXX
MOT Expired
FORD TOURNEO COURIER TITANM ECBST A
Petrol · Grey
- First Used
- Oct 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
WK75DXY
MOT Expired
FORD PUMA ST-LINE MHEV
Hybrid Electric (Clean) · Blue
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Blue
Check History & Specs
WK75DZJ
MOT Expired
FORD PUMA SELECT EV
Electric · Blue
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Blue
Check History & Specs
WK75DZL
MOT Expired
FORD RANGER WILDTRAK ECOBLUE 4X4 A
Diesel · Black
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Black
Check History & Specs
WK75DZX
MOT Expired
FORD TRANSIT 350 TREND ECOBLUE
Diesel · White
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DZY
MOT Expired
FORD TRANSIT 350 TREND ECOBLUE
Diesel · White
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
WK75DZZ
MOT Expired
FORD TRANSIT 350 TREND ECOBLUE
Diesel · White
- First Used
- Sep 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
Reliability & Common Problem Guides for WK75D Makes
Explore common mechanical faults, MOT advisory trends, and recall notices for popular vehicles in this registration batch:
Frequently Asked Questions about WK75D Plates
Where was the WK75D number plate series registered?
Vehicles starting with WK75D were assigned to the Truro covering Truro, Cornwall. The first two letters (WK) identify the memory tag assigned by the DVLA.
What registration period is WK75D?
The WK75D age identifier corresponds to vehicles first registered between September 2025 to February 2026.
How can I check the MOT history of a WK75D vehicle?
Click any registration in the plate list above to view the complete DVSA inspection history, advisory alerts, mileage progression, road tax status, and our AI mechanical risk evaluation.