The dotted hole is in 6 island if that is what you are talking about
use CUT to open it then there's a puzzle the glass has an instruction guide and once you are finished the scientist who works for team rocket will steal the sapphire and then tell you the second password of the rocket hideout or rocket head quarters on 5 island or something
this is the one that i did in red:D I hope it helps
It unlock the door to the gym in Viridian City. .
4 island in icefall cave to reach lorelei you need to find HM7 inside icefall cave.
On cinnabar Island, to the left of the pokemon center, lies a "laboratory". If you go inside, then go to the right and enter the third door. Talk to the Professor there.
You need to Get a mystery gift
You could find it in the dotted hole. Remember to bring a Pokemon that knows cut to open the door.
Specify which place on the map?
Steel type does not exist in leaf green.
A wooden door is wood. and a sleel door is steel
Dark, Steel
The aluminum door is lighter and less expensive than steel door.
Use Cut on the door.
Use Cut.
what is pressed steel
Use the Move CUT infront of the door 8D
The lower the gauge number, the thicker the steel.
One can buy Steel-Craft door products in the official Steel-Craft website online or in near Steel-Craft stores. Also, other retail stores can provide Steel-Craft door products.
The key is in the Pokemon mansion.