Non-Profit Organisations

Here, you’ll find “Ever Wondered” articles covering the sub-categories listed below. Scroll down to explore the latest blogs.

  1. Charitable Organisations: Charitable organisations and foundations
  2. Non-Governmental Organisations: NGOs and non-profit organisations
  3. Social Services: Social services organisations
  4. Environmental Organisations: Environmental organisations

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The Evolution of Hollow Concrete Blocks

The Evolution of Hollow Concrete Blocks

Reading Time: 8 minutesThe Roman contribution: Opus caementicium
The Romans made a revolutionary contribution to construction technology with the development of opus caementicium, or Roman concrete. This material:
• Combined lime mortar, volcanic ash, and aggregates
• Could be cast into various shapes, including hollow forms
• Allowed for the creation of complex architectural structures like domes and arches

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