thanks for your reply.
there are many detector for different using.
such as household detector, it used for fire disaster and it can alert us when fire happened.
and metal detector, many people use it to detect treasure under ancient tomb in China.
Linkback: You are not allowed to view links.
Please Register or Login
http://www.thunting.com/smf/index.php/topic,62639.msg309878.html#msg309878
|
|
Logged
|
|
