Whenever a \l;sniffer\u object\botsr; uncovers a source of energy in the subsoil, it lays down a green cross. The following buildings can be erected nearby :
o \l;Power station\u object\station;
o \l;Power plant\u object\energy;
In order to prospect the subsoil you need a \l;sniffer bot\u object\botsr;, which can also discover \l;titanium ore\u object\titanore; deposits (indicated by a \l;red cross\u object\stonspot;) or \l;uranium ore\u object\uranore; deposits (indicated by a \l;yellow circle\u object\uranspot;).
