1592953958000 1312632483000 term-79968 1616540974810 1312632577000 1616290584438 adlib fitz-online adlib-term-79968 08718f31-88f8-3e2d-96cf-1bb750bc64be 2 1 scope note Heavy weights for driving piles into the ground; dropped by gravity along a set of guide rails onto the head of the pile. DAC reference term-79967 adlib-term-79967 ef5f4e33-6561-3640-8c1b-57820ab6a771 drop hammer V.TH.AFU.AXC.HOE.AFU.AFU 1 code V.TH.AFU.AXC.HOE.AFU.AFU 1 drop hammers reference term-79993 adlib-term-79993 f16e099f-df66-3ab9-bf0e-72ae23e3f271 hammers (tools) drop hammers term