Dissolvable oilfield hand tools, namely, dissolvable tubes, dissolvable valves, dissolvable valve components, dissolvable plugs, dissolvable frac balls, dissolvable sleeves, dissolvable hydraulic actuating tooling, dissolvable mandrels, dissolvable slips, dissolvable grips, balls, dissolvable darts, dissolvable carriers, dissolvable diverter balls, dissolvable valve components, dissolvable seats, cones