Batch Prefix Hub
YA71O Series Number Plates
UK vehicles registered in Leeds, Yorkshire during September 2021 to February 2022 with registration prefix YA71O.
- Area Office
- Leeds (Leeds, Yorkshire)
- Release Period
- September 2021 to February 2022
- Tracked in Batch
- 90 vehicles
- MOT Pass Rate
- 85%
85%
Average MOT Pass Rate
Based on 187 historical tests
Common Colors
Grey22 vehicles
White18 vehicles
Red13 vehicles
Active Plates in YA71O Series(90 of 90 displayed)
Filter by 6th Letter:
YA71OCE
MOT Valid
VAUXHALL CORSA SE EDITION TURBO
1.2L · Petrol · Red
- First Used
- Feb 2022
- MOT Expiry
- 14 Feb 2027
- Tax Status
- —
- Color
- Red
Check History & Specs
YA71OCJ
MOT Valid
CITROEN BERLINGO 1000 EPRISE PRO BHDI
1.5L · Diesel · Red
- First Used
- Feb 2022
- MOT Expiry
- 01 Mar 2027
- Tax Status
- —
- Color
- Red
Check History & Specs
YA71OCK
MOT Valid
CITROEN BERLINGO 1000 EPRISE PRO BHDI
1.5L · Diesel · Red
- First Used
- Feb 2022
- MOT Expiry
- 08 Feb 2027
- Tax Status
- —
- Color
- Red
Check History & Specs
YA71OCL
MOT Valid
CITROEN BERLINGO 1000 EPRISE PRO BHDI
1.5L · Diesel · Red
- First Used
- Feb 2022
- MOT Expiry
- 17 Feb 2027
- Tax Status
- —
- Color
- Red
Check History & Specs
YA71OCN
MOT Valid
CITROEN BERLINGO 1000 EPRISE PRO BHDI
1.5L · Diesel · Red
- First Used
- Feb 2022
- MOT Expiry
- 11 Feb 2027
- Tax Status
- —
- Color
- Red
Check History & Specs
YA71OCO
MOT Valid
FORD TRANSIT CUSTOM 280LIMITD EBLUE
2.0L · Diesel · Black
- First Used
- Feb 2022
- MOT Expiry
- 01 Mar 2027
- Tax Status
- —
- Color
- Black
Check History & Specs
YA71OCR
MOT Expired
CITROEN C3 SHINE + PURETECH S/S
1.2L · Petrol · Blue
- First Used
- Feb 2022
- MOT Expiry
- 13 Mar 2026
- Tax Status
- —
- Color
- Blue
Check History & Specs
YA71OCU
MOT Valid
VAUXHALL MOKKA SRI PREMIUM TURBO
1.2L · Petrol · Black
- First Used
- Feb 2022
- MOT Expiry
- 10 Apr 2027
- Tax Status
- —
- Color
- Black
Check History & Specs
YA71OCV
MOT Valid
FORD FOCUS ZETEC EDITION MHEV
1.0L · Petrol · Blue
- First Used
- Feb 2022
- MOT Expiry
- 17 Feb 2027
- Tax Status
- —
- Color
- Blue
Check History & Specs
YA71OCZ
MOT Valid
VAUXHALL MOKKA SRI PREMIUM TURBO
1.2L · Petrol · White
- First Used
- Feb 2022
- MOT Expiry
- 18 Feb 2027
- Tax Status
- —
- Color
- White
Check History & Specs
YA71ODF
MOT Valid
VAUXHALL VIVARO-E LIFE ELITE
Electric · Grey
- First Used
- Feb 2022
- MOT Expiry
- 21 May 2027
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71ODN
MOT Expired
RENAULT CLIO ICONIC TCE
1.0L · Petrol · Blue
- First Used
- Feb 2022
- MOT Expiry
- 20 Feb 2026
- Tax Status
- —
- Color
- Blue
Check History & Specs
YA71ODP
MOT Valid
MINI COOPER S ELECTRIC LEVEL 1
Electric · Grey
- First Used
- Feb 2022
- MOT Expiry
- 21 May 2027
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71ODR
MOT Valid
FORD PUMA ST-LINE MHEV
1.0L · Petrol · White
- First Used
- Feb 2022
- MOT Expiry
- 23 Feb 2027
- Tax Status
- —
- Color
- White
Check History & Specs
YA71ODV
MOT Valid
FORD TRANSIT CUSTOM 280 TREND EBLUE
2.0L · Diesel · White
- First Used
- Feb 2022
- MOT Expiry
- 15 Feb 2027
- Tax Status
- —
- Color
- White
Check History & Specs
YA71OFC
MOT Valid
VAUXHALL MOKKA ELITE PREMIUM TURBO AUTO
1.2L · Petrol · Blue
- First Used
- Feb 2022
- MOT Expiry
- 30 Dec 2026
- Tax Status
- —
- Color
- Blue
Check History & Specs
YA71OFE
MOT Valid
VOLVO XC60 MOMENTUM B4 MHEV AWD AUTO
2.0L · Electric Diesel · White
- First Used
- Feb 2022
- MOT Expiry
- 25 May 2027
- Tax Status
- —
- Color
- White
Check History & Specs
YA71OFG
MOT Valid
BMW IX3 M SPORT PRO
Electric · Grey
- First Used
- Feb 2022
- MOT Expiry
- 25 Feb 2027
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OFH
MOT Valid
VAUXHALL VIVARO F2900 SPORTIVE S/S
1.5L · Diesel · Black
- First Used
- Feb 2022
- MOT Expiry
- 07 May 2026
- Tax Status
- —
- Color
- Black
Check History & Specs
YA71OFJ
MOT Valid
VOLVO XC40
1.5L · Petrol · Black
- First Used
- Feb 2022
- MOT Expiry
- 30 Sep 2026
- Tax Status
- —
- Color
- Black
Check History & Specs
YA71OFL
MOT Valid
VOLVO XC40
1.5L · Petrol · Black
- First Used
- Feb 2022
- MOT Expiry
- 18 Feb 2027
- Tax Status
- —
- Color
- Black
Check History & Specs
YA71OFR
MOT Valid
VAUXHALL MOKKA ELITE PREMIUM TURBO
1.2L · Petrol · Blue
- First Used
- Feb 2022
- MOT Expiry
- 17 Feb 2027
- Tax Status
- —
- Color
- Blue
Check History & Specs
YA71OFT
MOT Valid
LAND ROVER RANGE ROVER SPORT
5.0L · Petrol · Black
- First Used
- Feb 2022
- MOT Expiry
- 13 Feb 2027
- Tax Status
- —
- Color
- Black
Check History & Specs
YA71OFV
MOT Valid
CITROEN C4 SENSE + BLUEHDI S/S
1.5L · Diesel · Grey
- First Used
- Feb 2022
- MOT Expiry
- 08 Feb 2027
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OFX
MOT Valid
CITROEN DISPATCH 1000 ENT PRO B-HDI SS
1.5L · Diesel · Grey
- First Used
- Feb 2022
- MOT Expiry
- 21 Feb 2027
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OGJ
MOT Valid
LAND ROVER RANGE ROVER SPRT SVR CRBN ED A
5.0L · Petrol · Grey
- First Used
- Feb 2022
- MOT Expiry
- 04 Mar 2027
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OGL
MOT Valid
KIA PICANTO
1.0L · Petrol · Yellow
- First Used
- Feb 2022
- MOT Expiry
- 11 Nov 2026
- Tax Status
- —
- Color
- Yellow
Check History & Specs
YA71OGU
MOT Valid
FORD S-MAX TITANIUM HEV CVT
2.5L · Hybrid Electric (Clean) · Blue
- First Used
- Feb 2022
- MOT Expiry
- 28 Nov 2026
- Tax Status
- —
- Color
- Blue
Check History & Specs
YA71OGX
MOT Valid
FORD FOCUS TITANIUM EDITION MHEV
1.0L · Petrol · Silver
- First Used
- Feb 2022
- MOT Expiry
- 24 Nov 2026
- Tax Status
- —
- Color
- Silver
Check History & Specs
YA71OGZ
MOT Valid
FORD PUMA TITANIUM MHEV
1.0L · Petrol · Red
- First Used
- Feb 2022
- MOT Expiry
- 14 Feb 2027
- Tax Status
- —
- Color
- Red
Check History & Specs
YA71OHB
MOT Valid
FORD PUMA ST-LINE MHEV
1.0L · Petrol · Silver
- First Used
- Feb 2022
- MOT Expiry
- 11 Nov 2026
- Tax Status
- —
- Color
- Silver
Check History & Specs
YA71OHC
MOT Valid
FORD ECOSPORT
1.0L · Petrol · Grey
- First Used
- Feb 2022
- MOT Expiry
- 09 Feb 2027
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OHD
MOT Valid
FORD FOCUS ST-LINE X EDITION MHEV
1.0L · Petrol · Black
- First Used
- Feb 2022
- MOT Expiry
- 02 Oct 2026
- Tax Status
- —
- Color
- Black
Check History & Specs
YA71OHE
MOT Valid
FORD PUMA ST-LINE X MHEV
1.0L · Petrol · Blue
- First Used
- Feb 2022
- MOT Expiry
- 20 Feb 2027
- Tax Status
- —
- Color
- Blue
Check History & Specs
YA71OHG
MOT Valid
FORD PUMA ST-LINE X MHEV
1.0L · Petrol · Blue
- First Used
- Feb 2022
- MOT Expiry
- 15 Feb 2027
- Tax Status
- —
- Color
- Blue
Check History & Specs
YA71OHK
MOT Valid
VOLVO XC40
1.5L · Petrol · Silver
- First Used
- Feb 2022
- MOT Expiry
- 30 Oct 2026
- Tax Status
- —
- Color
- Silver
Check History & Specs
YA71OHP
MOT Valid
HYUNDAI BAYON SE CONNECT T-GDI MHEV
1.0L · Hybrid Electric (Clean) · Green
- First Used
- Feb 2022
- MOT Expiry
- 06 Mar 2027
- Tax Status
- —
- Color
- Green
Check History & Specs
YA71OHT
MOT Valid
FORD TRANSIT 350 TRAIL ECOBLUE
2.0L · Diesel · Black
- First Used
- Feb 2022
- MOT Expiry
- 06 Feb 2027
- Tax Status
- —
- Color
- Black
Check History & Specs
YA71OHU
MOT Valid
MINI ONE
1.5L · Petrol · Grey
- First Used
- Feb 2022
- MOT Expiry
- 20 Feb 2027
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OHX
MOT Expired
CITROEN C3 SHINE + PURETECH S/S AUTO
Petrol · White
- First Used
- Feb 2022
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
YA71OJJ
MOT Valid
BMW 430I M SPORT AUTO
2.0L · Petrol · Grey
- First Used
- Feb 2022
- MOT Expiry
- 17 Feb 2027
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OJP
MOT Valid
BMW 220D M SPORT MHEV AUTO
2.0L · Other · GREY
- First Used
- Feb 2022
- MOT Expiry
- 13 Feb 2028
- Tax Status
- —
- Color
- GREY
Check History & Specs
YA71OJR
MOT Expired
BMW 220D M SPORT MHEV AUTO
Electric Diesel · Blue
- First Used
- Feb 2022
- MOT Expiry
- —
- Tax Status
- —
- Color
- Blue
Check History & Specs
YA71OJU
MOT Expired
BMW 220D M SPORT MHEV AUTO
Electric Diesel · Grey
- First Used
- Feb 2022
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OJV
MOT Valid
BMW 220D M SPORT MHEV AUTO
2.0L · Electric Diesel · Grey
- First Used
- Feb 2022
- MOT Expiry
- 13 Feb 2027
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OJX
MOT Valid
BMW 220D M SPORT MHEV AUTO
2.0L · Hybrid Electric (Clean) · GREY
- First Used
- Feb 2022
- MOT Expiry
- 08 Feb 2028
- Tax Status
- —
- Color
- GREY
Check History & Specs
YA71OJZ
MOT Expired
BMW 220D M SPORT MHEV AUTO
Electric Diesel · Grey
- First Used
- Feb 2022
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OKB
MOT Expired
BMW I4 EDRIVE40 M SPORT
Electric · Green
- First Used
- Feb 2022
- MOT Expiry
- —
- Tax Status
- —
- Color
- Green
Check History & Specs
YA71OKC
MOT Valid
MINI JOHN COOPER WORKS
2.0L · Petrol · Blue
- First Used
- Feb 2022
- MOT Expiry
- 13 Feb 2027
- Tax Status
- —
- Color
- Blue
Check History & Specs
YA71OKE
MOT Valid
MINI COUNTRYMAN
2.0L · Petrol · Green
- First Used
- Feb 2022
- MOT Expiry
- 18 Jun 2027
- Tax Status
- —
- Color
- Green
Check History & Specs
YA71OKF
MOT Valid
MINI COOPER S ELECTRIC LEVEL 3
Electric · Silver
- First Used
- Feb 2022
- MOT Expiry
- 20 Feb 2027
- Tax Status
- —
- Color
- Silver
Check History & Specs
YA71OKH
MOT Valid
BMW I4 EDRIVE40 M SPORT
Electric · Grey
- First Used
- Feb 2022
- MOT Expiry
- 21 Feb 2027
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OKK
MOT Valid
BMW I4 EDRIVE40 M SPORT
Electric · Blue
- First Used
- Feb 2022
- MOT Expiry
- 20 Feb 2027
- Tax Status
- —
- Color
- Blue
Check History & Specs
YA71OLG
MOT Valid
FORD FOCUS ZETEC EDITION MHEV
1.0L · Petrol · Black
- First Used
- Feb 2022
- MOT Expiry
- 25 Sep 2026
- Tax Status
- —
- Color
- Black
Check History & Specs
YA71OLJ
MOT Valid
FIAT 500X RED
1.0L · Petrol · Red
- First Used
- Feb 2022
- MOT Expiry
- 16 Feb 2027
- Tax Status
- —
- Color
- Red
Check History & Specs
YA71OLO
MOT Valid
SUZUKI SX4 S-CROSS MOTION B-JET MHEV
1.4L · Hybrid Electric (Clean) · White
- First Used
- Feb 2022
- MOT Expiry
- 04 Jun 2027
- Tax Status
- —
- Color
- White
Check History & Specs
YA71OMJ
MOT Valid
FORD FOCUS TITANIUM EDITION MHEV
1.0L · Petrol · Red
- First Used
- Feb 2022
- MOT Expiry
- 07 Jan 2027
- Tax Status
- —
- Color
- Red
Check History & Specs
YA71OML
TaxedMOT Valid
CITROEN C4 SHINE PURETECH S/S
1.2L · PETROL · GREY
- First Used
- Feb 2022
- MOT Expiry
- 22 Feb 2027
- Tax Status
- Taxed
- Color
- GREY
Check History & Specs
YA71OMO
MOT Valid
KIA SPORTAGE 2 ISG
1.6L · Petrol · Grey
- First Used
- Feb 2022
- MOT Expiry
- 22 Feb 2027
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OND
MOT Valid
VAUXHALL CROSSLAND ULTIMATE TURBO AUTO
1.2L · Petrol · Red
- First Used
- Feb 2022
- MOT Expiry
- 13 Jan 2027
- Tax Status
- —
- Color
- Red
Check History & Specs
YA71ONF
MOT Valid
HYUNDAI TUCSON ULTIMATE T-GDI HEV AUTO
1.6L · Hybrid Electric (Clean) · White
- First Used
- Feb 2022
- MOT Expiry
- 03 Mar 2027
- Tax Status
- —
- Color
- White
Check History & Specs
YA71ONZ
MOT Valid
BETA RR
0.3L · Petrol · Red
- First Used
- Feb 2022
- MOT Expiry
- 24 Feb 2027
- Tax Status
- —
- Color
- Red
Check History & Specs
YA71OPO
MOT Valid
VAUXHALL CORSA ELITE EDITION TURBO AUTO
1.2L · Petrol · Grey
- First Used
- Feb 2022
- MOT Expiry
- 21 Dec 2026
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OPR
MOT Valid
VOLVO XC40 INSCRIPT PRO T5 RCHARGE A
1.5L · Hybrid Electric (Clean) · Black
- First Used
- Feb 2022
- MOT Expiry
- 14 Feb 2027
- Tax Status
- —
- Color
- Black
Check History & Specs
YA71OPW
MOT Valid
TOYOTA COROLLA ICON TECH HEV CVT
1.8L · Hybrid Electric (Clean) · Black
- First Used
- Feb 2022
- MOT Expiry
- 28 May 2027
- Tax Status
- —
- Color
- Black
Check History & Specs
YA71ORL
MOT Valid
PEUGEOT 5008
1.5L · Diesel · White
- First Used
- Feb 2022
- MOT Expiry
- 03 Dec 2026
- Tax Status
- —
- Color
- White
Check History & Specs
YA71ORP
MOT Valid
FORD FIESTA STLINE X EDITION T MHEV
1.0L · Petrol · Black
- First Used
- Feb 2022
- MOT Expiry
- 25 Jan 2027
- Tax Status
- —
- Color
- Black
Check History & Specs
YA71OSD
MOT Valid
VAUXHALL MOKKA ULTIMATE EV
Electric · Grey
- First Used
- Feb 2022
- MOT Expiry
- 14 Feb 2027
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OSM
MOT Expired
BMW X1 XDRIVE25E SPORT AUTO
Hybrid Electric (Clean) · White
- First Used
- Feb 2022
- MOT Expiry
- —
- Tax Status
- —
- Color
- White
Check History & Specs
YA71OTR
MOT Valid
FORD FOCUS ST-LINE EDITION MHEV
1.0L · Petrol · Grey
- First Used
- Feb 2022
- MOT Expiry
- 06 Feb 2027
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OTW
MOT Valid
HONDA HR-V ADVANCE I-MMD CVT
1.5L · Hybrid Electric (Clean) · White
- First Used
- Feb 2022
- MOT Expiry
- 06 Aug 2027
- Tax Status
- —
- Color
- White
Check History & Specs
YA71OTZ
MOT Valid
MG ZS EXCLUSIVE T-GDI
1.0L · Petrol · Blue
- First Used
- Feb 2022
- MOT Expiry
- 06 Jul 2027
- Tax Status
- —
- Color
- Blue
Check History & Specs
YA71OUB
MOT Valid
MINI ONE
1.5L · Petrol · White
- First Used
- Feb 2022
- MOT Expiry
- 21 Feb 2027
- Tax Status
- —
- Color
- White
Check History & Specs
YA71OUC
MOT Valid
MINI COUNTRYMAN
1.5L · Petrol · Green
- First Used
- Feb 2022
- MOT Expiry
- 24 Jul 2027
- Tax Status
- —
- Color
- Green
Check History & Specs
YA71OUF
MOT Valid
HYUNDAI I20 N T-GDI
1.6L · Petrol · Blue
- First Used
- Feb 2022
- MOT Expiry
- 19 Mar 2027
- Tax Status
- —
- Color
- Blue
Check History & Specs
YA71OUN
MOT Valid
FORD KUGA ST-LINE X ED PHEV CVT
2.5L · Hybrid Electric (Clean) · Red
- First Used
- Feb 2022
- MOT Expiry
- 18 Nov 2026
- Tax Status
- —
- Color
- Red
Check History & Specs
YA71OVC
MOT Valid
SUZUKI IGNIS SZ-T DUALJET MHEV
1.2L · Hybrid Electric (Clean) · Red
- First Used
- Feb 2022
- MOT Expiry
- 29 Jun 2027
- Tax Status
- —
- Color
- Red
Check History & Specs
YA71OVV
MOT Valid
HYUNDAI TUCSON ULTIMATE T-GDI HEV AUTO
1.6L · Hybrid Electric (Clean) · White
- First Used
- Feb 2022
- MOT Expiry
- 22 Feb 2027
- Tax Status
- —
- Color
- White
Check History & Specs
YA71OWB
MOT Valid
FIAT PANDA CITY LIFE MHEV
1.0L · Petrol · White
- First Used
- Feb 2022
- MOT Expiry
- 21 Feb 2027
- Tax Status
- —
- Color
- White
Check History & Specs
YA71OWJ
MOT Expired
PEUGEOT 3008
1.5L · Diesel · Grey
- First Used
- Feb 2022
- MOT Expiry
- 23 Feb 2026
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OWO
MOT Valid
VAUXHALL COMBO 2000 SPORTIVE TD
1.5L · Diesel · Grey
- First Used
- Feb 2022
- MOT Expiry
- 09 Jul 2026
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OWP
MOT Valid
VAUXHALL CORSA ULTIMATE TURBO AUTO
1.2L · Petrol · Grey
- First Used
- Feb 2022
- MOT Expiry
- 12 Jan 2027
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OWW
MOT Valid
CITROEN DISPATCH 1400 ENT PRO B-HDI SS
2.0L · Diesel · White
- First Used
- Feb 2022
- MOT Expiry
- 12 Feb 2027
- Tax Status
- —
- Color
- White
Check History & Specs
YA71OWX
MOT Valid
RENAULT CAPTUR RS LINE TCE
1.3L · Petrol · Red
- First Used
- Feb 2022
- MOT Expiry
- 14 Feb 2027
- Tax Status
- —
- Color
- Red
Check History & Specs
YA71OWZ
MOT Expired
VAUXHALL CORSA ELITE EDITION
1.2L · Petrol · White
- First Used
- Feb 2022
- MOT Expiry
- 15 Apr 2026
- Tax Status
- —
- Color
- White
Check History & Specs
YA71OYB
MOT Valid
CITROEN DISPATCH 1200 ENT PRO B-HDI SS
2.0L · Diesel · White
- First Used
- Feb 2022
- MOT Expiry
- 24 Feb 2027
- Tax Status
- —
- Color
- White
Check History & Specs
YA71OYE
MOT Valid
NISSAN QASHQAI ACENTA PREM T MHEV CVT
1.3L · Hybrid Electric (Clean) · Grey
- First Used
- Feb 2022
- MOT Expiry
- 30 Apr 2027
- Tax Status
- —
- Color
- Grey
Check History & Specs
YA71OYK
MOT Expired
KIA CEED
1.0L · Petrol · White
- First Used
- Feb 2022
- MOT Expiry
- 24 Feb 2026
- Tax Status
- —
- Color
- White
Check History & Specs
YA71OZF
MOT Valid
VAUXHALL MOKKA ULTIMATE NAV TURBO AUTO
1.2L · Petrol · White
- First Used
- Feb 2022
- MOT Expiry
- 01 Jan 2027
- Tax Status
- —
- Color
- White
Check History & Specs
YA71OZW
MOT Valid
DACIA DUSTER
1.3L · Petrol · Grey
- First Used
- Feb 2022
- MOT Expiry
- 11 Sep 2026
- Tax Status
- —
- Color
- Grey
Check History & Specs
Reliability & Common Problem Guides for YA71O Makes
Explore common mechanical faults, MOT advisory trends, and recall notices for popular vehicles in this registration batch:
Frequently Asked Questions about YA71O Plates
Where was the YA71O number plate series registered?
Vehicles starting with YA71O were assigned to the Leeds covering Leeds, Yorkshire. The first two letters (YA) identify the memory tag assigned by the DVLA.
What registration period is YA71O?
The YA71O age identifier corresponds to vehicles first registered between September 2021 to February 2022.
How can I check the MOT history of a YA71O 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.