describe the locomotion of a leech on land

Feelings of being fearful or powerless If in a very room or building, Claustrophobia sufferers may constantly be checking for doorways and exits or standing near exits even during large rooms, and feeling fear when doors are closed. Smalls spaces like cars, planes and lifts ca also bring anxious feelings. In some cases being in these situations can bring on panic disorder, in extreme cases just going to a closed door may cause a Panic Attack. Exhaust gases are generated from the combustion chamber after the air-fuel mixture is burnt through the Power Stroke. These exhaust gases are "thrown out" in the combustion chamber through the Exhaust Stroke. The exhaust gases, including NOx, move through the Exhaust Valve, the Exhaust Passages and finally towards the atmosphere over the Exhaust System.