Sentence:  The girls , very fetching in their uniforms , are shown firing rockets from a launcher mounted on a <WSD>dump</WSD> truck ; they are also trained with carbines , automatic weapons , pistols , rifles and other such ladies ' accessories . 
Meaning of the word marked with <WSD> tags:  truck whose contents can be emptied without handling; the front end of the platform can be pneumatically raised so that the load is discharged by gravity