First :

Preparing preliminary Studies for electrical, electronic Mechanic telecommunications and broadcasting works and alarm and safety systems .

Second :

Preparing orders and supervises the importing works for all the previous fields mentioned .

Third :

The acts of an assembling and maintenance of metals :

Containers and sheet the fitting of dimensions supply or assembling and their maintenance with alarm is from Equipments of alighting The fire and  the Equipments of a warning form the stealing and Ete .

Telecommunication towers by controversial altitude and classification and the aims of its use are with its Annexes from saucers and the disciple System cables .

A maintennce and the assembling of the Wardrobes and the Cisterns is by fluids & gas .

Fourthly  :

treatise in verses of the warning and the safe and safety :

Treatise in verses of the protection and the Warning is the stealin And the breaking in and The burglary .

Treatise in verses of the Warning from the fire .

Treatise in verses of the control is by electronic Camera .

Treatise in verses destined the door like  by secret nimbers or by Using cards or by remote Controls .

A supply and an assembling like curative Rays . works by beam of infra-red .  .

The equipments to welcome the visitors .

Fifthly  :

the electrcal aets :

An assembling and the maintenance of the transmission lines and Cables for high, medium And low voltage .
A supply and an assembling and maintenance of power stations and generators, etc .
A determination and an assembling and the maintenance of the electricity of buildings and manufactories and etc .
A Supply and a determination and the Assembling for the streets And the squares .
A supply and an assembling and Maintenance of traffic Signals .
A supply and an assembling and the Maintenance of the Diesel and for its panels .
An industrialization and an assembling and the employment panels Is by the manufactories and the machines .
An industrialization and an assembling and maintenance the employment Of rampart lighting Is the stores and building And the manufactories By solar sheets .
Assmbling and maintenance of the Solar sheets .
Polities of the protectio by the earth and the obstacles Of the thunderbolts .

Sixthly :

Telecommunication and the two spreading :
An assembling and maintenance of wire and wireless telecommunications .
An assembling and the maintenance of the telephone Exchanges and switch boards .
As for the assembling of Telephone exchanges the Distance of an acts rises .
The assembling of inter phones with and without camera .
An assembling and maintenance the undulations, Microwaves carrying out and Civil works .
An assembling and  maintenance the sending Television and radio Broadcasting stations and Related civil works .
The assembling of T.V antennas and parabolic dishes .
Execution of all works Relevant to extending and Assembling fiber optics .
A design and a supply And the assembling of the Radio and T.V materials .
The determination and Assembling design for T.V stations .

Seventhly  :

the cooling and the Adaptation :
Acts of the supply and the assembling and safeguarding with units of the cooling and the adaptation .
The acts of an industrialization and the Assembling of air tracts .
The acts of a supply and the assembling of the cooling Vestries and the solidfication By controversial kind .
The acts of a supply and the assembling of the adaptation Equipments .

Eighthly :

The elevators :

Q supply and an assembling and maintenance of electrical and hydraulic .

Ni thly  :

The mechanics and the Smithery :
An assembling and maintenance of grinder Concrete and tar mixer .
The maintenance of electric Lifting forks .
The maintenance of the valves and the shutoff valves is by the pipes of the oil and the gas .
Acts of the weld are by the pipes of the oil and the gas .

Tenthly :

Other works :
A supply and an assembling and the maintenance of boilers and distillers .
A supply and assembling and the maintenance of Medical , chemical and food Laboratories .
A supply and an assembling and the maintenance of the photographic laboratories .
A supply and an assembling and maintenance of electrice Ovens .
A determination and a Carrying out and the assembling of the computer Networks .