Which statement concerning symbols used on plans is true?
O Only carpenters use symbols.
O The same symbols are used thoroughout the world.
O
The symbols are to be noted on the title sheet or other introductory sheet of the plans.
O Symbols are never replaced by keynotes.

The symbols are to be noted on the title sheet or other introductory sheet of the plans.

Explanation:

in able to be understood for example a map key is always on a map so the reader can use it efficently without confusion

no he didnt use it

explanation:

he said no

the warning light flashes for a second or two when the engine starts. if it stays on, there's must be something wrong with the coolant. you should never dare to continue driving when the light is on. pull over as soon as possible and shut the engine off.

hope this is what you're talking about