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close this bookSpecial Public Works Programmes - SPWP - Anti-Erosion Ditches - Training Element and Technical Guide for SPWP Workers, Booklet No. 1 (ILO - UNDP, 84 p.)
close this folder4. Worksite organisation
close this folder4.2 Good selection of tools
View the document(introduction...)
View the document4.2.1 Surveying Instruments
View the document4.2.2 Tools used in the digging of ditches