1) An opening in the earth of specified length and width for placing the machine on line and grade. 2) See Boring PitAn excavation in the earth of specified length and width for placing the machine on line and grade..
1) An opening in the earth of specified length and width for placing the machine on line and grade. 2) See Boring PitAn excavation in the earth of specified length and width for placing the machine on line and grade..