Zipper fly: https://blog.fabrics-store.com/2020/07/26/sewing-glossary-how-to-sew-a-zipper-fly/
Zip by hand: https://sewingontheedge.blogspot.com/2018/07/how-to-set-in-zipper-by-hand.html
Sleeve placket: https://blog.fabrics-store.com/2020/10/01/fs-lily-dress-pattern-sewalong/
to the touch 