Zida zathu zogona nthawi zambiri zimapangidwa kuchokera kuzitsulo zachitsulo ndi khungu la fiberglass, zomwe zimakhala zolimba kwambiri, zosinthika, zotsika mtengo, komanso zopangira zida zapamwamba kwambiri pamakampani. Nthawi zambiri amagwiritsidwa ntchito ngati Telecom Shelter, Monitoring Shelter, kapena zida zosungidwa zotetezedwa. Malo okhala ndi zida za fiberglass amakhala olimba kwambiri, amatha kupitilira zaka 25 panyengo yanyengo.