Anyway, the problem is to do with scope - if you want to declare variables within an if block it needs to have curly braces and then the variables are only valid within that brace block.

Aimed at these problems, this paper puts forward a new isolation bearing which is composed of polysaccharides slide, elbow block, brace, connecting poles and high elastic damping rubber dampers.

Adjustable brace with text at side. Width, position, and alignment of text block are configurable.