Five types. Explained.

Do you understand something about solar generators? It is a good selection for emergency battery back-up power.

Solar energy is a clean and cost-efficient way to power houses. Yet what lots of people don't realize is that there are several sorts of solar services to choose from.

when this drama of power and ignorance goes on and on...

「更好的制度不能保證有更好的生命，實情剛好相反：只有創造更好的生命，才能建立更好的制度。」— 哈維爾

涂雷：「錦子老師，小弟完全不會使用Excel，但又須馬上製作出如下需求的格式(格式跟條件如下)，請教教我該如何製作出來只要輸入產品編號就能自動計算獎金的表格，謝謝！」 產品號碼；1~10，獎金金額：1000 產品號碼；11~20，獎金金額：100 產品號碼；21~30，獎金...