खोज परिणाम - ((water construction) OR (water conservation))

  1. 121

    The earth's physical resources /

    प्रकाशित 1984
    विषय - सूची: “…Contents : Block 1 Resources, economics and geology -- Block 2 Constructional and other bulk materials -- Block 3 Ore deposits -- Block 4 Water resources -- Block 5 pt. 1 Energy resources 1 : fossil fuels -- Block 5 pt. 2 Energy resources II : nuclear and other options -- Block 6 The future of resources.…”
    पुस्तक
  2. 122

    Manual of firemanship : a survey of the science of fire-fighting.

    प्रकाशित 1971
    पुस्तक
  3. 123

    Man bilong custom.

    प्रकाशित 1976
    पुस्तक