Flexible gas hose

Previously it was leaking at the top where shower hose goes onto the threads of the pipe at top, I wrapped the threads with teflon tape so that now that part is dry, no leaking, but the hose continues to leak at the bottom (hand held piece). I totally unscrewed the shower hose from the pipe and see...

What is its purpose? Eliminate cyclical fluctuations in producation reports by ignoring variable costs Compare actual and budgeted results at virtually every level of production Reduce total time in preparing actual budget I think it is the second one, does a1 disagree?

What is the flexible space and how do I use it?

I have flexible ducting for my heat and air and my house is about 11 years old. All of the tees and branches from the main duct lines are connected by duct tape, which is now starting to give and come apart. There seems to be metal or aluminum tubes inside the duct at the connections, but the...