Sewing lovers

For all sewing lovers I will be posting facts and tutorials on industry standar sewing. My degree taught me when I first started so I am wanting to pass it down to you.

First fact
Sewing seams must be 1/4 to 1/2 inch only. On everything! 1/4 for neck and armholes and 1/2 inch anywhere else. If it is sleeveless then 1/4 inch. If it's not sleeveless then 1/2 an inch.