Formed just like the letter H, H-piles are versatile for use below friction and conclusion bearing, and so are compatible with most standard pile drivers. usually piledriver or less commonly pile-driver : a wrestling move where a wrestler seizes an opponent and drops to the floor driving the opponent headfirst https://johnathanhsyek.mdkblog.com/35931161/pile-driver-machine-things-to-know-before-you-buy