+0
What is the correct preposition for the following sentence:

"As requested by the customer, fire exposure duration was fixed to 120 minutes ...."

fixed to or fixet at or something else.

Thank you!
+0
Hi,

I don't know what 'fire exposure duration' means, but 'at' sounds better to me.

Clive
Comments  
it means the duration of fire exposure

thank you for "at"