Answer:
The correct answer would be - floor opening.
Explanation:
A floor opening is an opening or entry or hole that is at least 12 inches or more than that in the pavement, yard, platform, floor or anything in which someone or something can fall in it.
It is made for the entry or exit of person to fix anything under or above this pavement or platform. The best example of these floor openings is stair or ladder pit, manway hole, or hatchway.
Thus, the correct answer is opening - floor opening.
What I would do after learning more about good communication skills, is start an interesting topic with a friend. I would make sure to keep eye contact, and maintain good body behavior. By doing this, I will seem fully in the conversation. Another good idea when communicating with someone, is to think before you speak., knowing what you're going to say next will definitely make it easier to speak clearly.