Keeping the doors and windows closed suffices for most people.
to close windows and doors
=Cats and mouse traps=
If you share a communal home with him you can't prevent him from entering. You and your wife need to move out and get your own apartment. If your wife invites him in your home there is really nothing you can do about it since you both have equal rights in the home. You would need a court order to keep him out. Perhaps you should consider leaving that relationship.
They are interested in knowing more about termites so they know how to prevent them from entering their home.
Monopoly and Oligopoly are two barriers that prevent firms from entering the marketplace.
You don't. You should actually keep the windows shut to try to prevent wind from entering your home.
Shutting it.
Epiglottis
no
The easiest way to prevent stink bugs from entering your home is to eliminate weeds from areas immediately adjacent to your home. Stink bugs are attracted to weeds. You can also try sealing gaps around windows to prevent stink bug entry.
The only way to prevent pregnancy in cats is to spay them. This also stops the very stressful heat cycles.
Phospholipids in the cell membrane prevent water from entering a cell.