Undoubtedly, using of airships is a controversial thing among aeronautical engineers. More specifically the writer puts forth on some ideas about benefits of using airships. However the professor points out that there are some serious flaws with the writer's claim. To be exact the professor believes that airships can not be that useable. He more or less addresses the problem with each point made in the reading.
To begin, the writer claims that airships can lift vertical without using of engins and this reduces the amount of fuel they use and makes them more economical rather than airplanes or helicopters. But the professor refutes with this idea and says that airships needs huge amount of lighter than air gases like hydrogen or hellium to lift up. Hydrogen catch fire easily and its not safe and hellium is very expensive, so running an aircraft safe have lots of costs.
Secondly, the reading states that airships can lift up and off vertically and carry huge loads at same time and they can be used in carring heavy logs from forests to distribution cemters. The professor, not surprisingly though, refutes with the idea and says that, airship are larg and light and can get blown easily by wind. In dense places like forests they can crash to trees and make disasters.
Finally, the author wraps up the topic by claiming that airships can can be used to replace the satellites. Since airships can rise high above surface and saty there for long time, they can carry telecommunications equipment to send and recieve signals. Then again, the professor stays on the other side of the argument and says that since there is strong winds at 15km above surface (where airships can reach the most) they need to use so much fuel to stay steady and this will make the to use up their fuel in very short time and they can't be used instead of satellites.
As we can see, the professor and the writer obviously hold opposing views about the topic.
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Grammar and spelling errors:
Line 1, column 175, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: However,
...ideas about benefits of using airships. However the professor points out that there are...
^^^^^^^
Line 7, column 66, Rule ID: ENGLISH_WORD_REPEAT_RULE
Message: Possible typo: you repeated a word
Suggestion: can
... up the topic by claiming that airships can can be used to replace the satellites. Sinc...
^^^^^^^
Line 7, column 341, Rule ID: THERE_S_MANY[4]
Message: Did you mean 'there are strong winds'?
Suggestion: there are strong winds
...ide of the argument and says that since there is strong winds at 15km above surface where airships ca...
^^^^^^^^^^^^^^^^^^^^^
Line 7, column 536, Rule ID: CANT[1]
Message: Did you mean 'can't' or 'cannot'?
Suggestion: can't; cannot
... their fuel in very short time and they cant be used instead of satellites. As w...
^^^^
Transition Words or Phrases used:
but, finally, however, if, second, secondly, so, then, more or less
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 10.0 10.4613686534 96% => OK
Auxiliary verbs: 14.0 5.04856512141 277% => Less auxiliary verb wanted.
Conjunction : 22.0 7.30242825607 301% => Less conjunction wanted
Relative clauses : 10.0 12.0772626932 83% => OK
Pronoun: 23.0 22.412803532 103% => OK
Preposition: 49.0 30.3222958057 162% => OK
Nominalization: 3.0 5.01324503311 60% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1620.0 1373.03311258 118% => OK
No of words: 338.0 270.72406181 125% => OK
Chars per words: 4.79289940828 5.08290768461 94% => OK
Fourth root words length: 4.28774723029 4.04702891845 106% => OK
Word Length SD: 2.44472523788 2.5805825403 95% => OK
Unique words: 185.0 145.348785872 127% => OK
Unique words percentage: 0.547337278107 0.540411800872 101% => OK
syllable_count: 494.1 419.366225166 118% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 3.25607064018 61% => OK
Article: 6.0 8.23620309051 73% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 4.0 2.5761589404 155% => OK
Performance on sentences:
How many sentences: 15.0 13.0662251656 115% => OK
Sentence length: 22.0 21.2450331126 104% => OK
Sentence length SD: 63.4033297408 49.2860985944 129% => OK
Chars per sentence: 108.0 110.228320801 98% => OK
Words per sentence: 22.5333333333 21.698381199 104% => OK
Discourse Markers: 4.46666666667 7.06452816374 63% => OK
Paragraphs: 5.0 4.09492273731 122% => OK
Language errors: 4.0 4.19205298013 95% => OK
Sentences with positive sentiment : 5.0 4.33554083885 115% => OK
Sentences with negative sentiment : 5.0 4.45695364238 112% => OK
Sentences with neutral sentiment: 5.0 4.27373068433 117% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.202469713431 0.272083759551 74% => OK
Sentence topic coherence: 0.0712721057767 0.0996497079465 72% => OK
Sentence topic coherence SD: 0.0471854794008 0.0662205650399 71% => OK
Paragraph topic coherence: 0.106815055645 0.162205337803 66% => OK
Paragraph topic coherence SD: 0.0694446365876 0.0443174109184 157% => OK
Essay readability:
automated_readability_index: 12.4 13.3589403974 93% => Automated_readability_index is low.
flesch_reading_ease: 57.61 53.8541721854 107% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 10.7 11.0289183223 97% => OK
coleman_liau_index: 10.8 12.2367328918 88% => OK
dale_chall_readability_score: 7.72 8.42419426049 92% => OK
difficult_words: 64.0 63.6247240618 101% => OK
linsear_write_formula: 8.5 10.7273730684 79% => OK
gunning_fog: 10.8 10.498013245 103% => OK
text_standard: 11.0 11.2008830022 98% => OK
What are above readability scores?
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Write the essay in 20 minutes.
Rates: 83.3333333333 out of 100
Scores by essay e-grader: 25.0 Out of 30
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Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.