Post Office 
To dream you are in a post office suggests that your inner self or subconscious is telling you something of importance. It may be in relation to getting in touch with someone. It may also mean reinforcing what you believe in.
Power Lines
To dream of seeing or being entangled in power lines portrays your strive to gain power. There is a hindrance either in your relationship or profession.
Screwdriver
To dream of a screwdriver signifies your desire to repair a damaged situation or relationship. It may also represent a person in your life who needs your help to deal with certain issues.
Wind Chimes
To dream of wind chimes, either seeing or hearing them, represents tranquility and harmony. It may further symbolize the passage of time or favorite memories.
Dining Room
To dream that you are in a dining room indicates that you have a thirst for expertise and comprehension. There could be a significant choice in your life.
Magic Carpet
To dream that you are riding a magic carpet implies that you have managed to resolve difficult issues and solve problems that you thought were impossible. You have been able to achieve more than you originally thought.
Smoke Stacks
To dream of a smoke stack implies that some emotion or realization is becoming a part of you. It is also warning you to resolve an important issue before it escalates into a huge problem. It may also represent tremendous effort and labor.
A smoke stack can symbolize the male genitalia and may suggest that you require to be relieved of sexual tension.
Weather Vane
To dream of a weather vane is a symbol of the unpredictable nature of life. Some event in your waking life may be making you feel like you are getting nowhere; you are simply treading water. If you are a particularly vain person, you can take the weather vane as a play on words. Consider working on your vanity.
Compact Disc
To dream of a compact disc symbolizes that you are seeking pleasure or a diversion from everyday issues. It implies that new doors may open and provide you with different options or choices. Make a note of the style of music and the title of the album. If you are giving away the CD, this can indicate an attempt to communicate an idea or opinion to someone else.
Perhaps 'CD' represents the initials of someone in your life. This person may be influencing you in some way. This dream may also be a play on words - something is 'seedy' or seems dirty and not respectable.
Zoological Garden
To dream that you are visiting a zoological garden means you should look to succeed at a business venture by adhering to your ethics.