I have been building pistols for most of my adult life. I started in 1984 in a on the job training program at Weapons Training Battalion, MCCDC Quantico, Va. in the Rifle Team Equipment Repair (RTE) shop. I completed my 22 year career in the USMC as the Chief Instructor of pistol section in the RTE Shop. I have been trained by a great variety of people throughout my career.
You are in landscape orientation.
You are in portrait orientation.
You are definitely on a small screen.
You are definitely on a medium screen.
You are on a large (or larger) screen.
Well, for the .show classes, anyway. The .hide-for-large doesn't have that limit