The biggest problem was keeping the temperature inside the structure from rising above 0 and turning the solid water into liquid water and dripping on me.
(The biggest problem; was keeping; the temperature inside the structure; from rising above 0 and turning the solid water into liquid water and dripping on me) (the temperature inside the structure; from rising; above 0)
The biggest problem the temperature inside the structure
was keeping from rising
the temperature inside the structure from rising above 0 and turning the solid water into liquid water and dripping on me
above 0