01 / 4 · Practical Engineering
Another topographic challenge faced by sewer engineers is getting across a creek or river.
Spaceplay↓next video
Loading clips…
Spoken in 4 clips from one channel · B2–C1Share
But I’ve got a few ways you can do your own topographic survey with fairly basic and inexpensive tools.
But most areas have at least some amount of topographic relief.
This allows for a portion of a line to dip below a depressed topographic feature like a river or creek and come back up on the other side.
Hearish brings a word back in new clips, from new speakers, until it sticks. Save this one and start with it.
