Taladros y brocas para espeleología: Comparativa

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  • 8/13/2019 Taladros y brocas para espeleologa: Comparativa

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    PGJG@\IS U L\ICGS ^G\G FS^FJFIJIOEG4CIH^G\GPEQG

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    usg%is f fs(fjfiji*#g. F fs"f gr"ecuji vg%is g ci%(grgr fj rf!e%ef"i !f gj*uis !f jis"gjg!ris ci (ir"glricgs S@S+^jus u"eje,g!is f ufs"rgs f-(jirgceifs ' (ri(i!rf%is

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    %gs (i"f"fs ' r8(e!is )uf jis !f lg"fr#g$ (frirg!i f >ir%e*. Ci fsis "gjg!ris$ fj

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    rfsuj"g!is sfg i"ris$ (fri fs"i i ji >f%is ci%(rilg!i.

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    F fj %frcg!i$ (i!f%is fci"rgr lg"fr#gs 76:;5 cicg(gce!g! !f >gs"g

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    Jgs (frirgceifs (grg jg ci%(grg"evg$ sf >g rfgje,g!i f ug (grf! vfr"ecgj !f ricg cgje,g

    %gr*isg$ sfcg$ !f !urf,g %f!eg+ljg!g$ f jg cgjjf ' g ug "f%(frg"urg !f f"rf 7;C ' 25C. Jis

    g*u&fris$ sf >g >fc>i ci lricgs ufvgs ' !f ir%g ci"eug$ fs"i fs$ ci u "gjg!ri ci jg lg"fr#g"i"gj%f"f cgr*g!g$ sf >g >fc>i jis g*u&fris !f u %es%i !e8%f"ri ' (riu!e!g!$ ui "rgs i"ri

    >gs"g g*i"gr jg lg"fr#g. Fs"g se"ugce$ i fs jg %es%g )uf vg%is g fci"rgr f fj "rglg&i >gle"ugjf cgve!g!$ sijg%f"f$ f "grfgs !f !fsils"ucce ci lricgs jgr*gs$ jgs ci!eceifs sfr8

    se%ejgrfs$ g f-cf(ce !f jg "f%(frg"urg.

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    "rglg&i f cgve!g!$ ci "f%(frg"urgs !f 75C$ jgs

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    cgve!g!fs r#gs.

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    +g&g`ri %etg*e

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    2>> 2>> 5>> 5>> 5>> 76>> 76>>

    06>> 06>> 02>> 02>> 02>> 6>>> 1>

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    'fsi *ik lgtfrg 7,36o 7,36o 7,3o 7,3o 7,7o

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    F cug"i g jis "gjg!ris !f *g%g (rifseigj se %i!eecgceifs$ fj 0e"gc>e ci %fir (rfcei '

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    f*rgsf fscgsi !f glrecg$ )uf ji >f%is (i!e!i sijvf"gr ci ug je%g ' f*rgs8!iji g cicefceg.

    ^grg jis "gjg!ris !f lrecijg&f$ jis glrecg"fs rfci%ef!g u"eje,gr lricgs ci !e8%f"ri %8-e%is !f

    75%%$ se f%lgr*i >f%is ci%(rilg!i )uf fj Fe>fjj ' fj 3e-g "rglg&g (frfc"g%f"f ci lricgs!f 72%%. Pg%le jis u"eje,g%is ci lricgs !f 6%% ' 75%% !f