Step 1: Thomas Alva edinson's inventions
Step 2: Thomas Alva edinson's inventions are useful to people life
Step 3: They made people life modern, and every later inventions are based on Edinson's inventions.
In step 1 and 2, you repeated the word, "Thomas Alva edinson's inventions". If I were you, I should change the step 2 to be like this, "His inventions are useful to people life."
In step 1 and 2, you repeated the word, "Thomas Alva edinson's inventions". If I were you, I should change the step 2 to be like this, "His inventions are useful to people life."
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