Is Tungsten magnetic? I dropped my boyfriends ring (made of Tungsten) down the place in the doorframe where the door closes, not knowing there was actually a hole there.
Use commas to separate things in a list or series. If you have a series of three or more items, use commas to separate each item. Do not place commas before or after the list or series. Do not use commas when all the items in a series are linked by and, or, or nor.
The Rules for Using Commas. This page explains when to use commas and gives examples for each type of comma usage. Using Commas after Setting the Scene. It is quite common for a sentence to start with words which set the scene.. These words usually state a place, a time, a condition, or a fact before the main part of the sentence. Words that set the scene at the start of a sentence are usually followed by a comma.