The first project involving plumbing work was contracted in 2004, and after the successful completion of that project, praise be to God, the journey began with more confident steps to implement more contracts that include electrical, plumbing and air conditioning works, and the reliance was at the beginning on subcontractors, and in 2007 AD The department's required cadres of engineers and technicians have been prepared, and operations involving plumbing have shown clear results in their impact on profit and the reduction of fixed costs.