Toshiba Satellite L100 crack on the monitor/cover

Hi all. Toshiba has the best monitor and this Satellite L100 has its very good specification. But i have experienced a problem. Its cover has already crack for a period of time( a year) compared with other laptops even if i always make sure it was handled with care.May i know who have experienced same problem?pls reply.Attached are the pictures. The break can be seen at the back of the laptop.You may say that a year may be too long too say it cracked easily but my officemate has a laptop too not the same model as mine yet its cover stand firm and has not experienced my problem although we do the same job.And same model has my another officemate with mine toshiiba L100 and has experienced the same problem. May i know who else has experien







ed this problem.