Sentence examples for must be horizontal from inspiring English sources

If the transmitting antenna is vertical, the receiving antenna must also be vertical; if the former is horizontal the receiving antenna must be horizontal.

Store your books upright, but if they must be horizontal (like coffee table books) do not pile more than four books.

Also, where water must be separated from hydrocarbon liquid, the vessel will be horizontal.

This guideline should be horizontal.

Note that the matchstick will be horizontal.

She must have had very little positive buoyancy left as she went right over to starboard until her funnels and masts were horizontal.

I was horizontal.

Here in suburbia, everything is horizontal.

Not all the movement is horizontal.

Productivity is horizontal.

The fundamental problem is horizontal.