| 摘要 |
<p>A method of and system (10) for dispensing material from a dispenser into an area of interest (12), wherein an interrogation step takes place prior to the dispensing of the material for the satisfaction of at least one criterion relating to the presence/absence of one or more objects, and upon the failure to satisfy the at least one criterion, inhibiting the dispensing of the material to be dispensed until the one or more criterions are satisfied.</p> |
