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.