hi , please see a diagram....
how to send request to 62.149.120.10
yes i set nat for invalid ip ( work station ) and have a internet ...Are you trying to translate the workstation's 192.168.0.2 IP address to the WAN public IP address so that traffic can be routed across the Internet?
Link to the relevant manual: http://wiki.mikrotik.com/wiki/Manual:IP ... Source_NAT