Sentence:  The section includes also combination bucket and suction dredges, true suction dredgers, the Friihling dredge, the reclamation dredge, the <WSD>longshoot</WSD> dredge, the hopper barge, the the self-propelling hopper, and the rock cutter. 
Meaning of the word marked with <WSD> tags:  A type of dredger that ejects sand and sediment through a long stream.