En Iso 13920-bf Fix Jun 2026

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En Iso 13920-bf Fix Jun 2026

EN ISO 13920-BF is not a standalone symbol but a combined drawing notation to ensure:

(titled “Welding — General tolerances for welded constructions — Dimensions for lengths and angles; shape and position”) specifies general tolerances, permissible deviations and requirements for weldments' dimensions, shapes and positions when no specific tolerances are given in contract documents. en iso 13920-bf

If you are operating under Class B, you must consult the tables within the ISO 13920 standard. EN ISO 13920-BF is not a standalone symbol

Your fabricators know exactly how much "wiggle room" they have without constant back-and-forth. Cost Control: Cost Control: In the world of metal fabrication,

In the world of metal fabrication, precision is relative. Achieving surgical accuracy on a massive steel girder is neither practical nor cost-effective. This is where comes into play. It provides a standardized framework for general tolerances in welded structures, ensuring that parts fit together without requiring the impossible level of precision typically reserved for machined components.

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Introduction to Sociology

1 Thinking Sociologically

  1. Sociological Methods
  2. Sociology in Everyday Life
  3. Sociology and other Disciplines
  4. In What Way Sociological Looks at Reality
  5. Observe Interpret and Validate Sociological Perspectives

2 Emergence of Sociology and Social Anthropology

  1. Emergence of Sociology
  2. Social and Economic Changes that Swept 19th Century European Society
  3. The Rise of Sociological Theory
  4. Emergence of Social Anthropology
  5. Emergence of Modern Social Anthropology
  6. Pioneers of Social Anthropology

3 Relationship of Sociology with Anthropology

  1. Nature of Sociology and Social Anthropology
  2. Emergence and History of Sociology
  3. Emergence and History of Anthropology
  4. Similarities between Sociology and Anthropology
  5. Differences between Sociology and Anthropology

4 Relationship of Sociology with Psychology

  1. Definition of Sociology
  2. Psychology
  3. Sociology and Psychology: The Possible Interlink
  4. Social Psychology: Historical Development
  5. Defining Social Psychology
  6. Inter-disciplinary Approach to Social Psychology
  7. Scope of Social Psychology
  8. Your Sociological Tool Kit
  9. Concepts and Methods of Sociology used in Social Psychology
  10. Perspectives in Sociological Social Psychology
  11. Objectives of Research in Social Psychology
  12. Importance of Sociological Social Psychology

5 Relationship of Sociology with History

  1. Defining History
  2. Relationship of Sociology with History
  3. Difference Between Sociology and History
  4. Historical Sociology as Sub-Discipline

6 Relationship of Sociology with Economics

  1. Definition of Sociology
  2. Definition of Economics
  3. Differences between Sociology and Economics
  4. Definitions Given by Different Economist and their Relation to Sociology
  5. Definitions Given by Different Sociologists and their Relation to Economics
  6. Economic Sociology as a Sub-Discipline of Sociology
  7. Common Issues Concerning both Sociology and Economics

7 Relationship of Sociology with Political Science

  1. Definition of Political Science
  2. Shift in the Focus of Political Science
  3. Relationship between Sociology and Political Science
  4. Differentiating between Political Sociology and Sociology of Politics
  5. Political Culture
  6. Political Socialisation
  7. Political Capital

8 Culture and Society

  1. Culture and Biology
  2. Culture Trait and Culture Complex
  3. Characteristics of Culture
  4. Types of Culture: Material and Non-material Culture
  5. Elements of Culture
  6. Culture and Civilization
  7. Cultural Change
  8. Cultural Diversity
  9. Ethnocentrism and Cultural Relativism
  10. Multiculturalism
  11. Globalisation and Culture
  12. Culture in Indian Context

9 Social Groups and Community

  1. Definitions of Community
  2. Characteristics of Community
  3. Elements of Community Sentiment
  4. Community and Association
  5. Definition of Social Group
  6. Bases of Classification of Groups
  7. Primary and Secondary Groups
  8. Gemeinschaft and Gesellschaft
  9. In Group and Out Group
  10. Reference Group
  11. Social Group and Community Differences

10 Associations and Institutions

  1. Meaning and Definition of Association
  2. Main Characteristics of an Association
  3. Defining Institutions
  4. Purpose of Institutions
  5. Types of Institutions
  6. Perspectives on Social Institutions

11 Status and Role

  1. The Concept of Status
  2. Ascribed and Achieved Status
  3. Master Status
  4. The Concept of Role
  5. Role Theory
  6. Classification of Roles
  7. Role Systems: Simple and Complex Societies
  8. Dimensions of Roles

12 Socialisation

  1. Socialisation – Meaning and Definitions
  2. Types of Socialisation
  3. Theories of Socialisation
  4. Agents of Socialisation

13 Structure and Function

  1. From Positivism to Functionalism
  2. The Premises of Functionalism
  3. Functionalism in Social Anthropology: Radcliffe-Brown and Malinowski
  4. Functionalism of Talcott Parsons and Robert K. Merton

14 Social Control and Change

  1. Meaning and Definition of Social Control
  2. Types of Social Control
  3. Agencies of Social Control
  4. Concept and Meaning of Social Change
  5. Approaches to Understanding Social Change
  6. Factors of Social Change
  7. Impact of Social Change

15 Evolutionary Perspective

  1. The Beginning of the Concept of Social Evolution
  2. The Organic Analogy and Biological Theories of Evolution
  3. Theories of Cultural Evolution
  4. Limitation of Classical Evolutionary Theory
  5. Neo-Evolutionary Theories

16 Functionalism

  1. Founders of Functionalism
  2. Later Functionalists

17 Structuralism

  1. Claude Levi-Strauss and Structuralism
  2. The Concept of Culture as Understood by Levi-Strauss
  3. The Structural Analysis of Myths
  4. Ethnography and Structural Analysis
  5. Critical Points of View

18 Conflict Perspective

  1. The Classical Theorists
  2. Modern Conflict Schools
  3. Elite Theory
  4. Recent Trends in Conflict Theory

19 Interpretive Sociology

  1. Meaning and Definition
  2. Differences Between Interpretive and Positivist Sociology
  3. Origins of Interpretive Sociology
  4. Branches of Interpretive Sociology
  5. Limitations of Interpretive Sociology

20 Symbolic Interactionism

  1. George Herbert Mead: Basic Concepts
  2. The Emergence of Symbolic Interactionism
  3. Other Schools of Thought
  4. Erving Goffman and the Dramaturgical Approach
  5. Recent Studies

21 Feminist Perspective

  1. Socio-Historical Background
  2. Liberal Feminism
  3. Radical Feminism
  4. Marxist Feminism
  5. Socialist Feminism
  6. Post Modern and Third Wave Feminism
  7. Multicultural and Postcolonial Feminism

22 Dalit Perspective

  1. Defining Dalits: A Sociological Perspective
  2. Demand for a Different Perspective
  3. Theoretical Rationale of ‘Dalit Perspective’
  4. Defining Dalit Perspective

23 Division of Labour- Durkheim and Marx

  1. Socio-Economic Setting and Meaning of ‘Division of Labour’
  2. Durkheim’s Views on Division of Labour
  3. Marx’s Views on Division of Labour
  4. A Comparison

24 Religion- Durkheim and Weber

  1. Definition of Religion — Beliefs and Rites
  2. Durkheim’s Study of ‘Totemism’
  3. Religion and Science
  4. The Religion of India
  5. The Religion of China
  6. Ancient Judaism
  7. Durkheim and Weber — A Comparison

25 Capitalism- Marx and Weber

  1. Karl Marx on Capitalism
  2. Max Weber on Capitalism
  3. Marx and Weber – A Comparison

26 Social change and transformation

  1. Concept of Social Change and Social Transformation
  2. Theories of Social Change
  3. Factors of Social Change
  4. Rate of Social Change
  5. Impact of Social Change
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