Does the exposure of Vinyl Ester Resin to environment safe? no harmful effect? i am planning of using this as a resin for my fiber reinforced plastic. thanks.
Idea on how to improve a building, Here's the case : The building was originally designed for a 2 storey building but you added 2 more 2floors so it become a 4 storey building and by then cracks appear in different location in the columns and beams. So what possible solution shall be applied...