,i seem to remember asking the coy about margins on thre dolocrete process some time ago..they would not entertain discussion on it in any form...i took that as embarressingly good:):)..bare in might cap ex on contracts ,as i understand it is almost nil. once a mix has been formulated for a particular waste stream its 'heres your containers of powder, cheque please ,off you go, and dont forget to send the liscensing monies:):)!!
