Question

slide. workers cant secure, or attach, the mat to the rider, so riders must hold that strap tightly all the way down. a rider getting ready to go down the slide what does \secure\ mean in this passage? to fasten firmly to slide down to hold lightly to feel safe

Explanation:

The sentence uses "or attach" as a context clue. "Attach" means to fasten firmly.

Answer:

to fasten firmly