Fastener scaffolding to the top of the top step What does this mean?
Color steel sandwich panels have a thickness of 5 cm, 7
Not necessarily. If you pour with the floor, you can use the structure of the stairs. If the masonry wall, you can take a straight ladder.
Misunderstanding 1: refrigerant for a year to change a lot of users feel that air conditioning used for some time, it must change the refrigerant, in fact, this view is not correct
