Positive insulation is a layer insulation that implements in such a way that it prevents the leaked water from entering the structural element, and this element remains intact. As for the passive insulation when the leaked water has entered the structural element, it has been saturated with it and may have destroyed it, as the function of negative isolation is to prevent this water from leaving the other end of the structural element to protect the layer that covers it (cement, paint, and possibly other elements) from the negative impact of this water.
The central air conditioning system is a cooling or heating device located in a place and auxiliary devices to transfer the air conditioning energy from this device to the interior of the buildings to serve a number of floors with multiple rooms, these systems are used in many facilities such as: palaces and villas, hotels, commercial complexes, hospitals , Offices, etc.
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We see it in matana as a necessity in light of the spread of the Covid-19 pandemic, as it is a security scanning device in which body temperature is also measured to ensure your safety and the safety of all your customers.
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