tlng di jwb ya yg baik sama saya trima kasih banyak

2. Because in her position as Vocational School supervisor in Medan She see a lot of energy being wasted.

3. She suggest Mr Sumiyoto to set up the computerized system that will automatically shut off the lights at a certain hour.

4. Arni think Santi's brother is cool

Maaf kl slh:)