When you publish an HTML5 Canvas document, two new files are created. 

To specify three or more criteria for a particular column, use a(n) ________ filter

Fill in the blank(s) with correct word

Which UL rating is relevant to the amount of voltage a surge protector will allow through to an attached device?

A) UL 1283 B) UL 1449 VPR C) UL 497A D) UL 210