Answer:
A force must s applied to a wall or roof rafters to add strength and keep the building straight and plumb
Answer: I think The left-hand panel shows like a high level list of folders. And Right-hand panel shows the contents of selected folder.
Answer:
Cement is largely made up of calcium oxide. Cement can harden in the gastrointestinal tract and cause obstruction. Inhaling cement dust can cause coughing, wheezing, and difficulty breathing. The best prevention is to avoid or limit contact with cement.
Explanation: