Amnesia 
To dream that you suffer from amnesia signals that you are attempting to ignore some flaw in yourself and that you fear moving in a new direction.
Canteen
To dream of a canteen implies that you prefer to select simple methods of mental satisfaction rather than expending too much energy.
Derrick
To dream of derricks signifies roadblocks in your path to accomplishment.
Hydrant
To dream of a hydrant mostly indicates openness to a brand new start. On the other hand, dreams of a bursting fire hydrant refer to an explosion of suppressed emotions.
Such things are usually due to stress or long-term repression of feelings. Your dream may serve as a warning from your subconscious that you need to express your thoughts and emotions before it's too late.
Javelin
To dream that you are stabbed by a javelin denotes danger to your life and freedom.
Bandana
To dream of wearing a bandana across your face implies a fear of saying something that might give yourself away. You may feel as though you are in the wrong or inadequate in some way but that if you are careful about the things you say, no one ever needs to know who you truly are. Energy doesn't lie however, and a dream of a bandana is letting you know that you might as well be true as people will respond to your energy regardless of what you say or do.
Alternatively, dreaming of wearing a bandana as a type of head dress indicates a desire to stand out from the crowd and be noticed.
Harpoon
To dream of wielding a harpoon symbolizes strength and power of will. You have the drive to conquer the big problem you are facing in your life, no matter how long it takes. Dreaming of being struck by a harpoon indicates that you feel hurt by unexpected consequences from your past.
Leaving
To dream of leaving indicates that you are unhappy with a situation or with someone in your life. You may be having problems at work and be in need of a change.
Alternatively a dream of leaving may simply represent a need for a break or a change of pace. You may feel that you would like to try new things, to embark on a new path, or to spend more time alone and away from the hustle and bustle of your usual responsibilities.
Ice Pick
To dream of seeing an ice pick indicates suppressed cold feelings and the desire to change the coldness.