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WIs 63810 S00

work instruction

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amit
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0% found this document useful (0 votes)
240 views6 pages

WIs 63810 S00

work instruction

Uploaded by

amit
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLSX, PDF, TXT or read online on Scribd
You are on page 1/ 6

Caparo Maruti Limited (Bawal)

Creation Date 21.09.2018


Control No. F/Weld/Y1K/WIS/001 Page No. 1of 6 Prepared By Area Supervisor Quality Incharge HOD Prod.
WORK INSTRUCTION
WIS SHEET
Revision Date

PANEL COMP WHEEL HOUSE INNER L


Area Safety Item To Be Used Symbol Used
(63810-62S00)

Applicable Model : Y1K Process Name Welding OP-10 Helmet, Arm Cover, Losse Dress ,Wrist Cover
Signature Signature Signature Signature
Goggles.
Follow Work Guide for Safety & Quality Safety Quality Std. Operation

S. No Operation Procedure Category Key Point Possible Defect Additional Information / Sketch / Photo / Explanation / Reference

kaya- Sau$ krnao sao phlao 1 saBaI saurxaa ]pkrNaao jaOsao


inamna kaya- kro. ³hOlamaoT ,dstanao caSmaa´
1 ApnaI maSaIna va ijaga kI safa[- [%yaaid ka p`yaaoga kro . 2
1
kroMM
2 ijaga ko saBaI paoka yaaoko
1 caOk kroM kI kao[- saOnsar Loose
nahI hao tqaa kao[- tar ZIlaI nahI 4
2 laa[na [injanayar AaoproTrcaOk 3
hao.
SaIT kao caOk kroM.
3 AaoproTr caOk SaIT mao ilaKo
hue kaya- kro tqaa caOk SaIT kao
BaroM. WIP Pic-1
Pic-2
Component handling krto samaya
ibana va WIP T//alaI sao
SarIr
kmpaonaOMT lao kr ica~ mao kOlmap
sao dur rKo.
2
idKae gae k`ma Anausaar ijaga baTna
mao lagaae va kOlmap baTna Pic-3
Defects jaOsaO kI Dents Cracks AaOr
dbakr paT- kOlamPa kroM.
Anya Press Defects ko ilae jaa^ca
(Pic 1, 2, 3 & 4) ijaga
kroM.
paooka yaaoka kI inagaranaI kI Pic-4
jaa^ca ko ilae imaimak pOnala kI laa[na [injanayar Check sheet ko OP 10 LH

3 LED laa[-T caOk kro. paT- klaOmp Anausaar saBaI paoka yaaoko ka imaima
haonao pr saBaI klaOmp LED laa[- kaya- caOk kroM. k
T jalaI haonaI caihe. (Pic 5)
pOnala
Light Curtain Area sao baahr Aakr Work Pic-5
4
Over Button (Robot Start Button )Push kroM.
sTaT-
(Pic 6) baTna
1 OPS ko Anausaar inaGaa-irt Pic-6
rofrnsa saOmpla va OPS mao saM#yaa maoM spa^T caOk paT-
idKaeo Anausaar s^paT caOk
kroM. Shunting ,Dent, Spot Miss, Pic-7
5 (Total spot = 11). Spot Burr,Spot
kroM. Undulation .
2 paT- kao spaT imasa, ,sPaaT bar 4
(Pic 7)
,sPaaT AnDUlaoSana ko ilae caOk 5

kro. 3
6
2

7
Operation pUra haOnao ko baad Component handling krto samaya 1
TOTAL SPOT - 11 NOS. 8
6 paT- kao daonaao haqaao sao ]zae SarIr As show in pic -07
tqaa WI STAND maO rKOM. sao dur rKo. 9
11

10
R
e
v
i Symbol Revision Day Reason for the revision Signature Approval Symbol Revision Day Reason for the revision Signature Approval Effective Drawing No.
s
i 1 1 Remarks:
o
n 2 2

R 3 3
e
c 4 4
o
r
1.)
d In case of any issue / Abnormality to follow WIS, Please " STOP - CALL - WAIT" for supervisor and give feedback.
2.) Content of key points: a.) Key points mentioned in engineering drawing, b.) Uses of jig / consumables / special tools, , c.) Important sequence of operations, d.) Uses of fool proofing, e.) Safety Instruction.
3.) Conditions for Key Points: a.) Consequences : It will determine whether work will be Ok or NG, b.) Safety : There is risk of operator getting injured, c.) To make the work easier : Know how (Experience).
Caparo Maruti Limited (Bawal)
Creation Date 21.09.2018
Control No. F/Weld/Y1K/WIS/001 Page No. 2of 6 Prepared By Area Supervisor Quality Incharge HOD Prod.
WORK INSTRUCTION
WIS SHEET
Revision Date

PANEL COMP WHEEL HOUSE INNER L


Area Safety Item To Be Used Symbol Used
(63810-62S00)

Applicable Model : Y1K Process Name Welding OP-20 Helmet, Arm Cover, Losse Dress ,Wrist Cover
Signature Signature Signature Signature
Goggles.
Follow Work Guide for Safety & Quality Safety Quality Std. Operation

S. No Operation Procedure Category Key Point Possible Defect Additional Information / Sketch / Photo / Explanation / Reference

kaya- Sau$ krnao sao phlao 1 saBaI saurxaa ]pkrNaao jaOsao


inamna kaya- kro. ³hOlamaoT ,dstanao caSmaa´ OP-10 SUBASSEMBLY

1 ApnaI maSaIna va ijaga kI safa[- [%yaaid ka p`yaaoga kro .


kro.
2 ijaga ko saBaI paoka yaaoko 1
1 caOk kroM kI kao[- saOnsar Loose
nahI hao tqaa kao[- tar ZIlaI nahI
2 laa[na [injanayar AaoproTrcaOk
hao.
SaIT kao caOk kroM.
3 AaoproTr caOk SaIT mao ilaKo
hue kaya- kro tqaa caOk SaIT kao
BaroM. Pic-1
Component handling krto samaya
SarIr
kOlmap baTna dbakr paT-
kOlmap
sao dur rKo.
2 kOlamPa kroM. baTna
(Pic 1, 2, 3 ) Defects jaOsaO kI Dents Cracks AaOr Pic-2
Anya Press Defects ko ilae jaa^ca
OP 20 LH

kroM. ijaga
paooka yaaoka kI inagaranaI kI Pic-3
jaa^ca ko ilae imaimak pOnala kI laa[na [injanayar Check sheet ko
3 LED laa[-T caOk kro. paT- klaOmp Anausaar saBaI paoka yaaoko ka imaima
haonao pr saBaI klaOmp LED laa[- kaya- caOk kroM. k
T jalaI haonaI caihe. (Pic 4)
Light Curtain Area sao baahr Aakr Work
pOnala
Over Button (Robot Start Button )Push kroM. Pic-4
4
sTaT-
(Pic 5) baTna
1 OPS ko Anausaar inaGaa-irt Pic-5
rofrnsa saOmpla va OPS mao saM#yaa maoM spa^T caOk kro.
(Total spot = 10). Shunting ,Dent, Spot Miss,
5 idKaeo Anausaar s^paT caOk kro. Spot Burr,Spot
2 paT- kao spaT imasa, ,sPaaT bar Undulation . 17 16
(Pic 6)
,sPaaT AnDUlaoSana ko ilae caOk
18
kro. 15

19
14
20
Operation pUra haOnao ko baad 13
TOTAL SPOT - 10 NOS.
6 paT- kao daonaao haqaao sao ]zae 21
tqaa WI STAND maO rKOM.
As show in pic -06 paT- 12

Pic-6
R
e
v
i Symbol Revision Day Reason for the revision Signature Approval Symbol Revision Day Reason for the revision Signature Approval Effective Drawing No.
s
i 1 1 Remarks:
o
n 2 2

R 3 3
e
c 4 4
o
r
1.)
d In case of any issue / Abnormality to follow WIS, Please " STOP - CALL - WAIT" for supervisor and give feedback.
2.) Content of key points: a.) Key points mentioned in engineering drawing, b.) Uses of jig / consumables / special tools, , c.) Important sequence of operations, d.) Uses of fool proofing, e.) Safety Instruction.
3.) Conditions for Key Points: a.) Consequences : It will determine whether work will be Ok or NG, b.) Safety : There is risk of operator getting injured, c.) To make the work easier : Know how (Experience).
Caparo Maruti Limited (Bawal)
Creation Date 21.09.2018
Control No. F/Weld/Y1K/WIS/001 Page No. 3of 6 Prepared By Area Supervisor Quality Incharge HOD Prod.
WORK INSTRUCTION
WIS SHEET
Revision Date

PANEL COMP WHEEL HOUSE INNER L


Area Safety Item To Be Used Symbol Used
(63810-62S00)

Applicable Model : Y1K Process Name Welding OP-30 Helmet, Arm Cover, Losse Dress ,Wrist Cover
Signature Signature Signature Signature
Goggles.
Follow Work Guide for Safety & Quality Safety Quality Std. Operation

S. No Operation Procedure Category Key Point Possible Defect Additional Information / Sketch / Photo / Explanation / Reference

kaya- Sau$ krnao sao phlao 1 saBaI saurxaa ]pkrNaao jaOsao


³hOlamaoT ,dstanao caSmaa´ OP-20 SUBASSEMBLY
inamna kaya- kro.
1 ApnaI maSaIna va ijaga kI safa[- [%yaaid ka p`yaaoga kro .
kroMM
2 ijaga ko saBaI paoka yaaoko 1 2
1 caOk kroM kI kao[- saOnsar Loose
nahI hao tqaa kao[- tar ZIlaI nahI
2 laa[na [injanayar AaoproTrcaOk
hao.
SaIT kao caOk kroM.
3 AaoproTr caOk SaIT mao ilaKo
hue kaya- kro tqaa caOk SaIT kao
BaroM. WIP Pic-1
Pic-2
Component handling krto samaya
ibana va WIP T//alaI sao
SarIr
kmpaonaOMT lao kr ica~ mao kOlmap
sao dur rKo.
2
idKae gae k`ma Anausaar ijaga baTna
mao lagaae va kOlmap baTna Pic-3
Defects jaOsaO kI Dents Cracks AaOr
dbakr paT- kOlamPa kroM.
Anya Press Defects ko ilae jaa^ca
(Pic 1, 2, 3 & 4) ijaga
kroM.
paooka yaaoka kI inagaranaI kI Pic-4
OP 30 LH

jaa^ca ko ilae imaimak pOnala kI laa[na [injanayar Check sheet ko


3 LED laa[-T caOk kro. paT- klaOmp Anausaar saBaI paoka yaaoko ka imaima
haonao pr saBaI klaOmp LED laa[- kaya- caOk kroM. k
T jalaI haonaI caihe. (Pic 5) pOnala
Light Curtain Area sao baahr Aakr Work Pic-5
4
Over Button (Robot Start Button )Push kroM.
sTaT-
(Pic 6) baTna
paT-
1 OPS ko Anausaar inaGaa-irt Pic-7 Pic-6
rofrnsa saOmpla va OPS mao saM#yaa maoM spa^T caOk kro.
Total spot=11 NOS Shunting ,Dent, Spot Miss,
idKaeo Anausaar s^paT caOk
5 Spot Burr,Spot
kroM. 2 paT- kao spaT imasa, ,sPaaT bar Undulation .
(Pic 7) ,sPaaT AnDUlaoSana ko ilae caOk
kro.
32
22
31
TOTAL SPOT=11 NOS 23
Operation pUra haOnao ko baad Component handling krto samaya 30
6 paT- kao daonaao haqaao sao ]zae SarIr 24
25
tqaa WI STAND maO rKOM. sao dur rKo. As show in pic-07 26
29 28 27
R
e
v
i Symbol Revision Day Reason for the revision Signature Approval Symbol Revision Day Reason for the revision Signature Approval Effective Drawing No.
s
i 1 1 Remarks:
o
n 2 2

R 3 3
e
c 4 4
o
r
1.)
d In case of any issue / Abnormality to follow WIS, Please " STOP - CALL - WAIT" for supervisor and give feedback.
2.) Content of key points: a.) Key points mentioned in engineering drawing, b.) Uses of jig / consumables / special tools, , c.) Important sequence of operations, d.) Uses of fool proofing, e.) Safety Instruction.
3.) Conditions for Key Points: a.) Consequences : It will determine whether work will be Ok or NG, b.) Safety : There is risk of operator getting injured, c.) To make the work easier : Know how (Experience).
Caparo Maruti Limited (Bawal)
Creation Date 21.09.2018
Control No. F/Weld/Y1K/WIS/001 Page No. 4of 6 Prepared By Area Supervisor Quality Incharge HOD Prod.
WORK INSTRUCTION
WIS SHEET
Revision Date 18.06.2021

PANEL COMP WHEEL HOUSE INNER L


Area Safety Item To Be Used Symbol Used
(63810-62S00)

Applicable Model : Y1K Process Name Welding OP-40 Helmet, Arm Cover, Losse Dress ,Wrist Cover
Signature Signature Signature Signature
Goggles.
Follow Work Guide for Safety & Quality Safety Quality Std. Operation

S. No Operation Procedure Category Key Point Possible Defect Additional Information / Sketch / Photo / Explanation / Reference

kaya- Sau$ krnao sao phlao 1 saBaI saurxaa ]pkrNaao jaOsao


inamna kaya- kro. ³hOlamaoT ,dstanao caSmaa´
1 ApnaI maSaIna va ijaga kI safa[- [%yaaid ka p`yaaoga kro .
kroMM
1 2
2 ijaga ko saBaI paoka yaaoko
1 caOk kroM kI kao[- saOnsar Loose
nahI hao tqaa kao[- tar ZIlaI nahI
2 laa[na [injanayar AaoproTrcaOk
hao.
SaIT kao caOk kroM.
3 AaoproTr caOk SaIT mao ilaKo
hue kaya- kro tqaa caOk SaIT kao
BaroM. WIP Pic-1
Component handling krto samaya
Pic-2
ibana va WIP T//alaI sao
SarIr
kmpaonaOMT lao kr ica~ mao kOlmap
sao dur rKo.
2
idKae gae k`ma Anausaar ijaga baTna
mao lagaae va kOlmap baTna Pic-3
Defects jaOsaO kI Dents Cracks AaOr
dbakr paT- kOlamPa kroM.
Anya Press Defects ko ilae jaa^ca
(Pic 1, 2, 3 & 4)
kroM. WIP
Pic-2
1
ijaga
3 Double part laga sakta hO a Pic-4
idKae gae paT- kao maganaoT sao
hI ]zaeM .( Pic-02)
paooka yaaoka kI inagaranaI kI
jaa^ca ko ilae imaimak pOnala kI laa[na [injanayar Check sheet ko imaima
3 LED laa[-T caOk kro. paT- klaOmp Anausaar saBaI paoka yaaoko ka k
haonao pr saBaI klaOmp LED laa[- kaya- caOk kroM. pOnala
T jalaI haonaI caihe. (Pic 5)
Pic-5
Light Curtain Area sao baahr Aakr Work
4
Over Button (Robot Start Button )Push kroM.
sTaT-
(Pic 6) baTna
1 OPS ko Anausaar inaGaa-irt Pic-6
rofrnsa saOmpla va OPS mao saM#yaa maoM spa^T caOk kro.
(Total spot = 10). Shunting ,Dent, Spot Miss, 33
idKaeo Anausaar s^paT caOk
5 Spot Burr,Spot 34
kroM. 2 paT- kao spaT imasa, ,sPaaT bar Undulation .
(Pic 7) ,sPaaT AnDUlaoSana ko ilae caOk 42 35
kro.
41 36

Operation pUra haOnao ko baad paT-


TOTAL SPOT-10 NOS.
6 paT- kao daonaao haqaao sao ]zae As show in pic -07 Pic-7
tqaa WI STAND maO rKOM.
40 39 38 37
R
e
v
i Symbol Revision Day Reason for the revision Signature Approval Symbol Revision Day Reason for the revision Signature Approval Effective Drawing No.
s
i 1 18.06.2021 Use of Magnetic Seperator added 1 Remarks:
o
n 2 2

R 3 3
e
c 4 4
o
r
d
1.) In case of any issue / Abnormality to follow WIS, Please " STOP - CALL - WAIT" for supervisor and give feedback.
2.) Content of key points: a.) Key points mentioned in engineering drawing, b.) Uses of jig / consumables / special tools, , c.) Important sequence of operations, d.) Uses of fool proofing, e.) Safety Instruction.
3.) Conditions for Key Points: a.) Consequences : It will determine whether work will be Ok or NG, b.) Safety : There is risk of operator getting injured, c.) To make the work easier : Know how (Experience).
Caparo Maruti Limited (Bawal)
Creation Date 21.09.2018
Control No. F/Weld/Y1K/WIS/001 Page No. 5of 6 Prepared By Area Supervisor Quality Incharge HOD Prod.
WORK INSTRUCTION
WIS SHEET
Revision Date

PANEL COMP WHEEL HOUSE INNER L


Area Safety Item To Be Used Symbol Used
(63810-62S00)

Applicable Model : Y1K Process Name Welding OP-50 Helmet, Arm Cover, Losse Dress ,Wrist Cover
Signature Signature Signature Signature
Goggles.
Follow Work Guide for Safety & Quality Safety Quality Std. Operation

S. No Operation Procedure Category Key Point Possible Defect Additional Information / Sketch / Photo / Explanation / Reference

kaya- Sau$ krnao sao phlao 1 saBaI saurxaa ]pkrNaao jaOsao


inamna kaya- kro. ³hOlamaoT ,dstanao caSmaa´ OP-30 SUBASSEMBLY OP-40 SUBASSEMBLY
1 ApnaI maSaIna va ijaga kI safa[- [%yaaid ka p`yaaoga kro .
kroMM
2 ijaga ko saBaI paoka yaaoko 1
1 caOk kroM kI kao[- saOnsar Loose 2
nahI hao tqaa kao[- tar ZIlaI nahI
2 laa[na [injanayar AaoproTrcaOk
hao.
SaIT kao caOk kroM.
3 AaoproTr caOk SaIT mao ilaKo
hue kaya- kro tqaa caOk SaIT kao
BaroM. WIP Pic-1
Pic-2
ibana va WIP T//alaI sao Component handling krto samaya
kmpaonaOMT lao kr ica~ mao SarIr sao dur rKo. kOlmap
2
idKae gae k`ma Anausaar ijaga baTna
mao lagaae va kOlmap baTna Pic-3
Defects jaOsaO kI Dents Cracks AaOr
dbakr paT- kOlamPa kroM.
Anya Press Defects ko ilae jaa^ca
(Pic 1, 2, 3 & 4) ijaga
kroM.
paooka yaaoka kI inagaranaI kI Pic-4
jaa^ca ko ilae imaimak pOnala kI laa[na [injanayar Check sheet ko
3 LED laa[-T caOk kro. paT- klaOmp Anausaar saBaI paoka yaaoko ka OP 50 LH
imaima
haonao pr saBaI klaOmp LED laa[- kaya- caOk kroM. k
T jalaI haonaI caihe. (Pic 5)
pOnala
Light Curtain Area sao baahr Aakr Work Pic-5
4
Over Button (Robot Start Button )Push kroM.
sTaT-
(Pic 6) baTna
1 OPS ko Anausaar inaGaa-irt Pic-6
rofrnsa saOmpla va OPS mao saM#yaa maoM spa^T caOk kro.
(Total spot = 13). Shunting ,Dent, Spot Miss, 43
idKaeo Anausaar s^paT caOk
5 Spot Burr,Spot
kroM. 2 paT- kao spaT imasa, ,sPaaT bar Undulation .
44
45
(Pic 7) ,sPaaT AnDUlaoSana ko ilae caOk 46
kro. 47
48

Operation pUra haOnao ko baad 49


TOTAL SPOT-13 NOS.
6 paT- kao daonaao haqaao sao ]zae As show in pic -07 50
tqaa WI STAND maO rKOM.
paT- 55
52 51
R
e
Pic-7 54
53
v
i Symbol Revision Day Reason for the revision Signature Approval Symbol Revision Day Reason for the revision Signature Approval Effective Drawing No.
s
i 1 1 Remarks:
o
n 2 2

R 3 3
e
c 4 4
o
r
1.)
d In case of any issue / Abnormality to follow WIS, Please " STOP - CALL - WAIT" for supervisor and give feedback.
2.) Content of key points: a.) Key points mentioned in engineering drawing, b.) Uses of jig / consumables / special tools, , c.) Important sequence of operations, d.) Uses of fool proofing, e.) Safety Instruction.
3.) Conditions for Key Points: a.) Consequences : It will determine whether work will be Ok or NG, b.) Safety : There is risk of operator getting injured, c.) To make the work easier : Know how (Experience).
Caparo Maruti Limited (Bawal)
Creation Date 21.09.2018
Control No. F/Weld/Y1K/WIS/001 Page No. 6of 6 Prepared By Area Supervisor Quality Incharge HOD Prod.
WORK INSTRUCTION
WIS SHEET
Revision Date

PANEL COMP WHEEL HOUSE INNER L


Area Safety Item To Be Used Symbol Used
(63810-62S00)

Applicable Model : Y1K Process Name Welding OP-60 Helmet, Arm Cover, Losse Dress ,Wrist Cover
Signature Signature Signature Signature
Goggles.
Follow Work Guide for Safety & Quality Safety Quality Std. Operation

S. No Operation Procedure Category Key Point Possible Defect Additional Information / Sketch / Photo / Explanation / Reference

kaya- Sau$ krnao sao phlao 1 saBaI saurxaa ]pkrNaao jaOsao


inamna kaya- kro. ³hOlamaoT ,dstanao caSmaa´ OP-50 SUBASSEMBLY
1 ApnaI maSaIna va ijaga kI safa[- [%yaaid ka p`yaaoga kro .
kroMM tqaa
2 ijaga ko saBaI paoka yaaoko
2
1 caOk kroM kI kao[- saOnsar Loose 1
nahI hao tqaa kao[- tar ZIlaI nahI
2 laa[na [injanayar AaoproTrcaOk
hao.
SaIT kao caOk kroM.
3 AaoproTr caOk SaIT mao ilaKo
hue kaya- kro tqaa caOk SaIT kao
BaroM. WIP Pic-1
Pic-2
Component handling krto samaya
ibana va WIP T//alaI sao
SarIr
kmpaonaOMT lao kr ica~ mao kOlmap
sao dur rKo.
2
idKae gae k`ma Anausaar ijaga baTna
mao lagaae va kOlmap baTna Pic-3
dbakr paT- kOlamPa kroM.
Defects jaOsaO kI Dents Cracks AaOr ijaga
Anya Press Defects ko ilae jaa^ca Pic-4
(Pic 1, 2, 3 & 4) imaima
kroM.
paooka yaaoka kI inagaranaI kI k
jaa^ca ko ilae imaimak pOnala kI laa[na [injanayar Check sheet ko
3 LED laa[-T caOk kro. paT- klaOmp Anausaar saBaI paoka yaaoko ka
pOnala
haonao pr saBaI klaOmp LED laa[- kaya- caOk kroM. Pic-5
sTaT-
T jalaI haonaI caihe. (Pic 5) baTna
Light Curtain Area sao baahr Aakr Work Pic-6
4
Over Button (Robot Start Button )Push kroM.

(Pic 6)
1 OPS ko Anausaar inaGaa-irt 58
79 56
rofrnsa saOmpla va OPS mao saM#yaa maoM spa^T caOk kro. 78 57 59
Total spot= 24 NOS Shunting ,Dent, Spot Miss, 77
idKaeo Anausaar s^paT caOk 60
5 Spot Burr,Spot 76
kroM. 2 paT- kao spaT imasa, ,sPaaT bar Undulation . 61
(Pic 7) ,sPaaT AnDUlaoSana ko ilae caOk 75
62
kro. 74
63
73
72
Operation pUra haOnao ko baad Component handling krto samaya 64
TOTAL SPOT=24 NOS 71
6 paT- kao daonaao haqaao sao ]zae SarIr As show in pic -07
tqaa WI STAND maO rKOM. sao dur rKo. 70 66 65
67
69
68
paT-
R
e
Pic-7
v
i Symbol Revision Day Reason for the revision Signature Approval Symbol Revision Day Reason for the revision Signature Approval Effective Drawing No.
s
i 1 1 Remarks:
o
n 2 2

R 3 3
e
c 4 4
o
r
1.)
d In case of any issue / Abnormality to follow WIS, Please " STOP - CALL - WAIT" for supervisor and give feedback.
2.) Content of key points: a.) Key points mentioned in engineering drawing, b.) Uses of jig / consumables / special tools, , c.) Important sequence of operations, d.) Uses of fool proofing, e.) Safety Instruction.
3.) Conditions for Key Points: a.) Consequences : It will determine whether work will be Ok or NG, b.) Safety : There is risk of operator getting injured, c.) To make the work easier : Know how (Experience).

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