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7/25/2019 Tools and Materials in Drafting
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-
RAFTING
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STUDY OF
COMMUNICATIONOF IDEAS
THROUGH LINES,
SYMBOLS,CODES,DRAW-
INGS,SKETCHES,CH
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TWO KINDS OF DRAWING
MECHANICAL
FREEHAND
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OBJECTIVES OF DRAFTING
LEGIBILITY
NEATNESS
ACCURACY
SPEED
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Theres ! "#$%e&!r $ '(')'(*$#
+h! 's $#+$s%!'..'/ err!rs
' .he +!r#( !&(r$&.'/0
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TOOLS AND
MATERIALSUSED INDRAFTING
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PENCIL MOST
IMPORTANT
TOOLS USEDIN DRAFTING0
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DRAWING
BOARD1TABLEWHERE THE
DRAWING
PAPER IS LAIDAND
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T-S2UARE
USED FOR
DRAWINGHORI3ONTAL LINES
AND SERVE AS AGUIDE FOR
TRIANGLES WHEN
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TRIANGLES USED FOR DRAWINGVERTICAL AND
OBLI2UE LINES0
KINDS
4567869:86
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R A SEMI-
CIRCULARSCALE DIVIDED
INTO ;
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SCALEUSED FOR GENERAL
DRAWING,THIS ISUSED FOR
REPRODUCING,REDUCING AND
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CURVE USE IN DRAWING
ALLCURVES,E9CEPT
CIRCLES AND ARCS,MAY BE DRAWN
WITH CURVED
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ERASER AND ERASING
SHIELD ERASERS ARE USED TOREMOVED
SMEARS,PENCIL ORINK LINES0
ERASING SHIELD
PROTECT THE REST OF
THE DRAWING WHILE
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PENKNIFE OR PENCILSHARPENER
USUALLY USED
TO REMOVE THEWOOD FROM
THE LEAD0
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BLOCK USUALLY USED TO
MAKE THE LEAD OFPENCIL BROUGHT
IN DESIREDCONICAL SHAPE0
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DIVIDER USED FOR
DIVIDING LINESINTO ANY
NUMBER OFE2UAL PARTS0
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COMPASSES
USED FOR
DRAWING
ARCS ANDCIRCLES0
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RULING PENUSED FOR
INKINGMECHANICALLINES THAT
CANNOT BE
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PENSPEEDBALL
PENS AREUSED FORDRAWING
LETTERS OF
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S USED TO
HOLD THELETTERINGPENS AND
SHOULD HAVE
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BRUSHTHEY COME IN
VARIOUSSI3ES ANDCOMMONLY
MADE OUT OF
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DRAWING INK
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PAPER BEST DRAWING PAPERSHOULD HAVE AHARD AND SMOOTHSURFACE SO THAT
THEY WILL NOTGROOVE TOO EASILYWHEN PRESSURE IS
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PAPER THIN,TRANSPARENTPAPER ON WHICH
INKED OR
PENCILEDDRAWING IS MADE
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TAPESUSED FOR
FASTENING
PAPER TOTHE
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WATERCOLORCOMPOSE
D OF
PIGMENT
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ASSIGNMENT WHAT IS LETTERING=
ENUMERATE THE
FOLLOWINGKINDS OF HIEROGLYPHICS
STYLE OF LETTERS
STYLE OF SPEED BALL PENS
PROPORTION OF LETTERS
PARTS OF GUIDELINES
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1. Mostimportant toolused in
drafting.
se or
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. se or
drawing
vertical and
oblique
lines se or
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. se or
drawing
letters in
dierent
st les
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4. lso !nownas arc"itect#s
scale$ used for
generaldrawing.
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%. Used formeasuring
angles.
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&-'.!inds of
(-)quare
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.
protect t"erest ofdrawing w"ile
ma!ing an
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1+. ,oard ortable w"ere t"e
drawing paper
is laid andfastened.