I made a DIY caisson ladder out of pipe.
Tools used in the video:
Semiautomatic welding machine https://alli.pub/6racsn
Battery for Ferm angle grinder https://alii.pub/6radtl?erid=Kra23iMeH
Ferm angle grinder https://alii.pub/6rads1?erid=Kra23be1f