Some public utilities help plan or install residential energy upgrades. The renovations include more space, technology upgrades and new exhibits. This makes planning of future upgrades or fibre additions difficult. It comes with 72 improvements over Arjun Mk.1 with 14 major upgrades. Service electricians are tasked to respond to requests for isolated repairs and upgrades. The expansion includes new weapon upgrades and defense platforms, including modular starbases. Originating from Motorsport but now common in high performance applications and aftermarket upgrades. The C-5As will receive only the avionics upgrades. It uses declarative configuration and allows reliable system upgrades. Suspension or any other upgrades or options are only determined by additional RPO codes. Roads and sewers are in need of expensive upgrades. Apple upgrades its products' hardware periodically (approximately yearly). Again this implied technical upgrades and a total multi-sensor-systems integration. These included avionics upgrades, an expanded fuel tank, and the use of fibreglass composites. Some of the original iDTVs needed firmware upgrades to work with the CAM.