The super-sturdy flood-proof dam is made of a crossbar that is deeply embedded in the land.

 The super-sturdy flood-proof dam is made of a crossbar that is deeply embedded in the land.As long as there are standing structures or a large base, they are pushed down by water. water. The land on both sides stretches forever, so the earth force never falls

Comments

Popular posts from this blog

The 3d projector shines on the air with the converging invisible light that heats the steam to white

The 3d screen shines on the air with a laser beam of invisible light as small as electrons

Store electricity by demagnetizing electrons so that it can be easily stored in the flask without running out into lightning, damaging the battery