Breeches are more form fitted.
Jodphurs allow for more room in the seat.
Also Jodhpurs are usually longer than breeches and breeches sometimes have Velcro adjustable bits at bottom
If you r talking about gasesDownward delivery:-collecting gases which are denser than air. e.g. carbon dioxide, chlorine.upward delivery :-collecting gases which are less dense than air. e.g....
Transdermal usually means the drug is delivered through a patch.
Topical tends to mean a cream, lotion or ointment is applied to the skin.
Essentially both are applied to the skin.
Hope this...