What's the difference between dredging and excavator?

Dredging


Definition:

  • (p. pr. & vb. n.) of Dredge

Example Sentences:

  • (1) If Queensland goes ahead and develops and dredges Abbot Point, it may all be for nothing.
  • (2) The previous government advanced five major dredge projects involving dumping in the marine park,” he said.
  • (3) Documents obtained under freedom of information reveal huge uncertainty over the investment needed to maintain water quality following dredging to expand the Abbot Point port, north of Bowen in Queensland.
  • (4) A recent study suggests that coral disease is doubled when dredging occurs near reefs, although supporters of the dredging have repeatedly insisted it can be done safely and that the Abbot Point sediment will be dumped around 40km from the nearest reef.
  • (5) They want to send a very clear message to China that they are serious about this.” Facebook Twitter Pinterest This image from the US navy purportedly shows Chinese dredging vessels in the waters around Mischief reef in the disputed Spratly archipelago in May 2015.
  • (6) In ongoing lawsuits objecting to the island reclamation scheme , the Jakarta Legal Aid association has argued these new islands are occupying traditional fishing grounds, while the sediment and dredging work have driven away fish from the remaining waters.
  • (7) Dredging creates turbidity in the water that reduces the amount of light reaching the coral, affecting photosynthesis, while silt that settles on the coral interferes with its ability to feed itself.
  • (8) | Howard W French Read more In the South China Sea, China has, by massive dredging operations, turned submerged reefs with names out of the novels of Joseph Conrad – Mischief Reef, Fiery Cross Reef – into artificial islands, and is completing a 3,000m runway on Fiery Cross.
  • (9) Dover Harbour Board has applied for a licence to dredge Goodwin Sands, which had been proposed as a marine conservation zone, for aggregate to be used in the expansion and development of Dover port.
  • (10) We would like to see the dredging – if it does take place – it doesn’t take place in important times in seal biology.
  • (11) However, a local campaign called Save Our Sands has been established in an attempt to stop the dredging from happening, and has gathered more than 5,500 signatures on an online petition to prevent it.
  • (12) Barton rubs Old Firm up the wrong way Joey Barton apologises ‘unreservedly’ after being sent home by Rangers Read more The phrase “Joey Barton Twitter storm” is pretty much a tautology, so it was no surprise that his decision to sign for Rangers in May had social media in a kerfuffle when his 2012 tweet – “I am a Celtic fan” – was dredged up so that it might be subject to calm and sober scrutiny from all concerned.
  • (13) So let's end the simplistic nonsense that leads us to focus only on concrete defences and destructive dredging, and instead take what is ultimately a more rational and integrated approach.
  • (14) It exacerbates an environment of disaffection and disempowerment and does nothing but isolate the very community that best understands these challenges.” Race relations have reached a low ebb following the release of the government’s anti-terrorism laws, which many Muslims say have dredged up Islamophobia in the community by equating terrorism with Islam.
  • (15) Rooke said dredging was part of the solution, "but not the whole solution".
  • (16) Using satellite imagery, researchers could map the areas of coral covered by plumes of sediment released by the dredging process.
  • (17) In between taking up the rice harvest and dredging his irrigation canals, however, he must contemplate a new threat to his family and livelihood, one that may well prove more deadly than any of Egypt's previous invaders.
  • (18) The site, called Reef Facts , addresses the contentious decision to allow the dredging and dumping of 5m tonnes of seabed sediment within the Great Barrier Reef marine park in order to expand the Abbot Point port.
  • (19) However, the Whale and Dolphin Conservation Society said electronic pingers could already be used under current EU nature laws, which also protect porpoises from trawling, dredging, pile driving and noise from military sonars.
  • (20) The case has dredged up painful memories for other victims of child abuse, who are now also coming forward in their hundreds to seek counselling.

Excavator


Definition:

  • (n.) One who, or that which, excavates or hollows out; a machine, as a dredging machine, or a tool, for excavating.

Example Sentences:

  • (1) The only sign of life was excavators loading trees on to barges to take to pulp mills.
  • (2) To reduce the risks posed by the hazard, the report recommends that a management plan be created to determine the level of soil contamination and for managing excavated soil, and to decommission disused septic tanks to prevent the spread of contamination.
  • (3) Although only a small section of the site has been excavated, there are baths, luxurious houses, an amphitheatre, a forum, shops, gardens with working fountains and city walls to explore, with many wonderful mosaics still in situ.
  • (4) The proximal tibial metaphyses of ten New Zealand white rabbits were excavated and filled with sheets of polyvinyl alcohol, into which a suspension of B. fragilis cells was injected on the right side, while saline was used on the left side.
  • (5) For miles, only the strip of land for the track is dug up, but in places the footprint is much wider: access routes for work vehicles; holding areas for excavated earth; new electricity substations; mounds of ballast prepared for the day when quarries cannot keep pace with the demands of the construction; extra lines for the trains that will lay the track.
  • (6) And it is allowed to deal in gold not excavated from the ground according to the well-known aharia frameworks with immediate effect.
  • (7) Protected by a rusty padlocked gate, Macrinus's tomb was targeted by thieves after it was first excavated in 2008.
  • (8) The injury begins as a small nodule with a keratotic innermost part that rapidly is excavated, grows centrifugally, appearing as a new lesion, an expansion of the primary one, in the posterior higher region, with the same characteristics.
  • (9) The purpose of this paper is to present a Mediaeval skeleton of an approximately 16 year old boy, which was excavated at a Danish cemetery containing ca.
  • (10) Huang Ren Zhong's striped parasol stands out against the muddy cliff of excavated earth.
  • (11) No matter how "sophisticated" they may seem to have become, contemporary methods for bioplanimetry of the optic disc vary in precision; easily overlooked or neglected optical influences must, indeed, be taken into consideration; and, of greatest detriment to the meaningfulness of any and all such results is the fact that even "experts" have difficulty in uniformly and reproducibly indicating where the boundaries of the optic disc and its excavation actually lie.
  • (12) The dissident Gleb Yakunin excavated evidence from the KGB archives in the 1990s that fingered high-ranking priests as KGB agents, including the former head of the church, Aleksei II, and the current, Patriarch Kirill I.
  • (13) Prolonged respiratory assistance by positive pressure ventilation via cuffed tracheostomy or endotracheal tube can be complicated by mucosal erosions, tracheal stenosis, tracheomalacia, excavation of the tracheal wall with loss of tissue and tracheoesophageal fistula.
  • (14) Eleven human optic nerves from subjects in different decades ranging from the fifth to the ninth were investigated with the silver carbonate method to establish the pattern and frequency of age changes within the optic nerve head and their relationship with the glaucomatous excavation.
  • (15) Such differential mineralization points on physiological and pathological processes in bone and teeth, and is frequently conserved both in excavated skeletal remains and in cremations.
  • (16) Israel has said demolishing tunnels is the principal goal of its ground operation and it has released footage showing tunnels being demolished by excavators and air strikes.
  • (17) All these results provide a good basis for the assumption that, in glaucoma, the main factor producing restriction of the field of vision and excavations of the papilla is defective irrigation of the papillary vessels, originating in the choroid membrane, with chronic ischemia of the papilla.
  • (18) The excavation method allowed for a complete elimination of the decayed dentinal tissue down to the hypermineralized zone.
  • (19) Alfred, a student of the “father of American anthropology” Franz Boas , gathered and preserved information about native peoples and traditions in California, excavated archaeological sites in Mexico and Peru, and some years before his daughter’s birth had briefly practised as a psychoanalyst.
  • (20) Excavations in the Dakotas, prior to the closure of the Missouri River dams, yielded much information on demographics, anomalies, and epidemiological patterns for specific abnormalities in prior inhabitants of the area over several centuries.