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£_õ & Gm (CG & M) T«t£ 1.2.22-23 dLô] ùRôPo×d LÚj§Vp
@©hPo (Fitter) - A¥lTûP ùTôÚjÕRp (Basic Fitting)

Uôod¡e Á¥Vô (Marking media)

úSôdLeLs: ClTôPj§u Ø¥®p ¿eLs ùT\ úYi¥V A±Ü §\uLs
• Uôod¡e Á¥Vô®u úSôdLm Tt± A±Rp
• NôRôWQ YûL Uôod¡e Á¥VôdL°u (marking media)
ùTVoLû[ A±Rp Scan the QR Code to view
• ùYqúYß ùNVpTôÓLÞdÏ, Uôod¡e Á¥VôdLû[j the video for this exercise
(marking media) úRokùRÓjRp.
Uôod¡e Á¥Vô®u úSôdLm (Purpose of A§L ÕpXõVm YônkR T¦l ùTôÚhLÞdÏ
marking media) ùYsû[ A¥dL T¬kÕûWdLlTÓY§pûX.

TôolTRtÏm Utßm ùR°YôL CÚdLÜm Uôod¡e lð (Marking blue)
úLô¥PlThP úLôÓLs LôiTRtÏm
SuÏ ùUμ²e ùNnVlThP TWl×Lû[
úYûXj Õi¥²p Uôod¡e Á¥Vô
EûPV T¦lùTôÚhL°p ϱ«PlThP
éNlTÓ¡\Õ CÕ úYûX«u úUtlTWl©p,
JÚ CWNôV] ûP ¿X ¨\jûR
úX AÜh, ùUpXõV úLôÓLs Utßm
A¥lTûPVôLd ùLôiÓ, ùU§úXhPh
ùR°YôL A±V TVuTÓ¡\Õ.
v©¬h (methylated spirit) EPu LXdLlThÓl
ùYqúYß Uôod¡e Á¥VôdLs (Different TVuTÓjRlTÓ¡\Õ.
Marking Media)
@lWxμVu lð (Prussian Blue)
ùYqúYß Uôod¡e Á¥VôdL[ôY]
CWôYlThP ApXÕ CVk§Wj§]ôp
ùYsû[ éfÑ, lWμVu ¿Xm (prussian blue), TWl×L°p ©²£e ùNnVlThP CPj§p
RôªW Np@úTh (copper sulphate) Utßm TVuTÓjRl TÓ¡\Õ. CûY ªLÜm
ùNpÛXôv úXdLo (cellulos lacquer)
ùR°Yô] úLôÓLû[j RÚm. B]ôp CûY
ùYsû[ éfÑ (White wash) EXoYRtÏ Ut\ Á¥VôdLû[ ®P A§L
úSWm GÓjÕd ùLôsÞm. (Fig 2)
ùYsû[ éfÑ TpúYß Y¯L°p
ùNnVlTÓ¡\Õ.

ÑiQôm×l TÜPûW (chalk powder) Ri½¬p
LXkÕ ETúVô¡jRp.

ùU§úXhPh v©¬h¥p (methylated spirit)
ÑiQômûTd LXlTÕ.
ùYiûU ùTô¥ûV (white lead powder-I),
PoTuûPu (Turnpentine) EPu úNojRp.
Bd³LWQl TWl×L[ôL (oxidised surface)
CÚdÏm L¥] @úTôo´ev Utßm
úLv¥eÏL°p (forgings and castings) LôlTo Np@úTh (Copper sulphate)
ùYsû[V¥lTÕ ùNnVlTÓ¡\Õ. (Fig 1) CkRd LûWNp RôªW Np@úThþIj (copper
sulphate) Ri½¬p LXkÕ, ARàPu £X Õ°
ûSh¬d B£ûPÙm úNolTRôp ¡ûPd¡\Õ.
@ûTpÓ (filed) TiQlThP ApXÕ
ùUμ²e TiQlThP TWl×L°p LôlTo
Np@úTh TVuTÓjRlTÓ¡\Õ. LôlTo
Np@úTh ©²£e TiQlThP TWl×L°p
SuÏ Jh¥d ùLôs¡\Õ

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