ocr: CONSTRUCTION AUGER ON SOFT GROUND rest on Workshop qiT Banceteco columns called piles. To make firm toundations, construction companies use an auger to dig a deep y ptss soil. hole. A crane hole is then then lifts filled the with auger back concrete. Machines the surface and spins it to remove the to The Principles ofScience History P Inventors Back SEE ALSOJ - Index Opcions P TA . Help
