The diagram shows how energy is produced from coal

Grammar and spelling errors:
Line 3, column 131, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma, but not before the comma
Suggestion: ,
...er that it is carried to the power plant , via a conveyer belt, where it is burnt ...
^^
Line 3, column 587, Rule ID: ENGLISH_WORD_REPEAT_BEGINNING_RULE
Message: Three successive sentences begin with the same word. Reword the sentence or use a thesaurus to find a synonym.
...eam generator converting heat to steam. The steam is subsequently used to power the...
^^^
Line 5, column 1, Rule ID: ENGLISH_WORD_REPEAT_BEGINNING_RULE
Message: Three successive sentences begin with the same word. Reword the sentence or use a thesaurus to find a synonym.
... again used to generate electricity. The energy is clean because harmful product...
^^^

Transition Words or Phrases used:
first, if, then, therefore

Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments

Performance on Part of Speech:
To be verbs : 13.0 7.0 186% => OK
Auxiliary verbs: 0.0 1.00243902439 0% => OK
Conjunction : 3.0 6.8 44% => More conjunction wanted.
Relative clauses : 5.0 3.15609756098 158% => OK
Pronoun: 4.0 5.60731707317 71% => OK
Preposition: 20.0 33.7804878049 59% => More preposition wanted.
Nominalization: 1.0 3.97073170732 25% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.

Performance on vocabulary words:
No of characters: 750.0 965.302439024 78% => OK
No of words: 149.0 196.424390244 76% => More content wanted.
Chars per words: 5.03355704698 4.92477711251 102% => OK
Fourth root words length: 3.49378814695 3.73543355544 94% => OK
Word Length SD: 2.78516706062 2.65546596893 105% => OK
Unique words: 91.0 106.607317073 85% => More unique words wanted.
Unique words percentage: 0.610738255034 0.547539520022 112% => OK
syllable_count: 238.5 283.868780488 84% => OK
avg_syllables_per_word: 1.6 1.45097560976 110% => OK

A sentence (or a clause, phrase) starts by:
Pronoun: 0.0 1.53170731707 0% => OK
Article: 7.0 4.33902439024 161% => OK
Subordination: 1.0 1.07073170732 93% => OK
Conjunction: 0.0 0.482926829268 0% => OK
Preposition: 4.0 3.36585365854 119% => OK

Performance on sentences:
How many sentences: 10.0 8.94146341463 112% => OK
Sentence length: 14.0 22.4926829268 62% => The Avg. Sentence Length is relatively short.
Sentence length SD: 27.859648239 43.030603864 65% => OK
Chars per sentence: 75.0 112.824112599 66% => OK
Words per sentence: 14.9 22.9334400587 65% => OK
Discourse Markers: 2.6 5.23603664747 50% => More transition words/phrases wanted.
Paragraphs: 3.0 3.83414634146 78% => More paragraphs wanted.
Language errors: 3.0 1.69756097561 177% => OK
Sentences with positive sentiment : 3.0 3.70975609756 81% => OK
Sentences with negative sentiment : 1.0 1.13902439024 88% => OK
Sentences with neutral sentiment: 6.0 4.09268292683 147% => OK
What are sentences with positive/Negative/neutral sentiment?

Coherence and Cohesion:
Essay topic to essay body coherence: 0.0245615256944 0.215688989381 11% => OK
Sentence topic coherence: 0.0109642586835 0.103423049105 11% => OK
Sentence topic coherence SD: 0.0328927760504 0.0843802449381 39% => Sentences are similar to each other.
Paragraph topic coherence: 0.0365475289448 0.15604864568 23% => OK
Paragraph topic coherence SD: 0.051686011105 0.0819641961636 63% => OK

Essay readability:
automated_readability_index: 9.7 13.2329268293 73% => Automated_readability_index is low.
flesch_reading_ease: 57.27 61.2550243902 93% => OK
smog_index: 3.1 6.51609756098 48% => Smog_index is low.
flesch_kincaid_grade: 8.8 10.3012195122 85% => OK
coleman_liau_index: 11.3 11.4140731707 99% => OK
dale_chall_readability_score: 9.1 8.06136585366 113% => OK
difficult_words: 45.0 40.7170731707 111% => OK
linsear_write_formula: 5.5 11.4329268293 48% => Linsear_write_formula is low.
gunning_fog: 7.6 10.9970731707 69% => OK
text_standard: 10.0 11.0658536585 90% => OK
What are above readability scores?

---------------------
More content wanted.
Minimum 150 words wanted.
It is not exactly right on the topic in the view of e-grader. Maybe there is a wrong essay topic.

Rates: 11.2359550562 out of 100
Scores by essay e-grader: 1.0 Out of 9
---------------------
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.

At first, the coal is missed in deep pits underground
At first, the coal is mined in deep pits underground

flaws:
No. of Words: 149 200
The verbs are used pretty well and it is developed smoothly. but minimum 150 words wanted

----------------------
Attribute Value Ideal
Final score: 7.0 out of 9
Category: Good Excellent
No. of Grammatical Errors: 1 2
No. of Spelling Errors: 0 2
No. of Sentences: 10 10
No. of Words: 149 200
No. of Characters: 724 1000
No. of Different Words: 86 100
Fourth Root of Number of Words: 3.494 4.0
Average Word Length: 4.859 4.6
Word Length SD: 2.657 2.4
No. of Words greater than 5 chars: 48 60
No. of Words greater than 6 chars: 41 50
No. of Words greater than 7 chars: 22 40
No. of Words greater than 8 chars: 15 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 14.9 21.0
Sentence Length SD: 5.665 7.5
Use of Discourse Markers (%): 0.2 0.12
Sentence-Text Coherence: 0.359 0.35
Sentence-Para Coherence: 0.513 0.50
Sentence-Sentence Coherence: 0.07 0.07
Number of Paragraphs: 3 4