
#FunFactFriday The Eiffel Tower uses 7,000 metric tons of iron. Because of this, every year the tower expands and contracts 15 centimeters from the hottest to the coldest day.
#sheetmetalworkers

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Sheet Metal Workers Local Union #33
228 posts

@smartlocal33
The Sheet Metal Workers’ Local Union 33 is a brotherhood of skilled craftsman.




























