Question: caes has many advantages over other forms of energy storage, and if ongoing technological innovations succeed in making it as efficient as pumped hydro storage, it may well become the cheapest type of large-scale storage.
Answer: --> CAES has many advantages over other forms of energy storage, and if ongoing technological innovations succeed in making it as efficient as pumped hydro storage, it may well become the cheapest type of large-scale storage.

Question: * some jfg file extension formats can be opened in binary format only.
Answer: --> * Some JFG file extension formats can be opened in binary format only.

Question: if you have a generic key, there is no other solution currently but to call microsoft support (source)
Answer:
--> If you have a generic key, there is no other solution currently but to call Microsoft Support (source)