not sure
make sure you don't float away or make sure you don't fall
to make sure there is nobody in the building
Its when you make sure someone does not fall
Building contractors make sure workers follow the local and state building codes.
close the windows make sure there are no creaks under the doors or buy a new building if the building is old
Make sure you have a parachute that works. Then let yourself fall out. Make sure you don't hit the propeller.
The purpose of the Building and Construction Authority is to make sure that buildings follow safety codes. Buildings are inspected by representatives from this agency to make sure they are constructed correctly.
When installing two-post lifts, you will make sure that the ground where you are installing is very stable. Also you should make sure that it is stable so your item you are holding will not fall over.
To make sure the building is safe to build.
An earthquake is seemingly dangerous in a more urban environment with a lot of buildings and such. When the earth shakes so does the buildings so possibly something can fall on your head or the building you're in can collapse and kill you! The safest place is an open ground which nothing can fall on you. Make sure that you're low on the ground otherwise it could make you fall and such. I'm not sure because I personally have never been in an earthquake, I'm just answering with common sense.
because someone may fall and hurt him/herself or even knock over a chemical