According to researchers, understanding how sensitivity to anxiety is a risk factor for depression may make anxiety sensitivity a potential target for treating depression in the future.
1 On average, the price for a swap out of about 60 cubic foot acetylene owner-cylinder is about $70, while you should be prepared to spend about $35 for a 40 cubic foot exchange of an owner tank.
The geometry of acetylene (ethyne) is linear (bond angle 180 o) because the C-C triple bond stays as far away from the C-H single bond as it can, namely 180 o. Acetylene is the fuel used by welders in oxy-acetylene torches.