What our plumbers does :
Plan out job required.
Work out what needs repairing.
Able to follow plans and drawings.
Able to fix : sinks.
Able to fix : baths.
Able to fix : leakage pipes.
Able to fix : water supply systems and waste disposal plants.
They can also measure distances to work out the lengths of piping needed.
They can also cut and bend piping to connect dimensions and joining the piping so it does not leak.