Good punctuation makes writing easy to read. The inappropriate use of commas, apostrophes and other punctuation marks can cause confusion and even change the meaning of your writing.
The correct use of English is essential if you want to appear professional.
The passive voice should not be used.
An apostrophe can be used to show that a letter has been removed:
People involved with tender writing must have a good grasp of punctuation and grammar.
There are 4 common uses of commas.
Good punctuation is vital. Poor punctuation creates an impression of lazy, slipshod and badly educated staff.