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PREFACE
Apictureistheoldestwayofcommunication.Themoderngraphicalcommu-
nicationisbasedonthetechniqueintroducedin1795byFrenchmathematician
GaspardMonge.
Descriptivegeometryisthemethodofrepresentingthree-dimensionalobjects
throughtwo-dimensionalimagesandsolvinggraphicallyspatialproblemsrelated
totheirformandposition.Itprovidesthetheoreticalbasisforatechnicaldrawing
whichisthegraphiclanguageusedbyengineersandtechnicianstocommunicate.
Descriptivegeometryisanecessarypartoftheengineeringdrawingpractice;
itstimulatesanddevelopsspatialimagination,theabilitytovisualizethree-di-
mensionalobjectsandtheattentionofaccuracyofthegraphicalsolutions.Inthis
case,thefollowingscriptcontainsalargenumberofauxiliarydrawingsshowing
themutualpositionofthediscussedfigures.
Theintentionoftheauthoristomakethisscriptsuitableforordinarystudents
whobegintostudyatFacultyofEnvironmentalorCivilEngineering.Itcontains
manypracticalexampleswithsolutionsshownstepbystepinordertohelplearners
topracticeindependently.Everychapteralsoincludesexercisesasthepracticeis
invaluableandvitalinachievingfluencyatdrawing,readingandanalyzingofen-
gineeringdrafts.
Presentedexercisessetthedirectioninpreparationforachievingtheengineer-
ingknowledgeandskills.
Thereisneverenoughpractice,thenstudentsshoulddesigntheirownexer-
cisesanddrawasmuchasitispossible.
Thisscriptisnotsubstitutionoflectures,theattendanceandinvolvementin
courseattheuniversityishighlyadvised.
Ihopetheywillcomplementforeverystudent’sbenefit.
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