Ex 
To dream about your ex-boyfriend/girlfriend or that you and your ex got back together indicates that people currently in your life are reminding you of those same feelings. This dream could be warning you that you are falling into a repeated pattern in relationships. You should consider the harsh lessons you may have learned so you don't repeat them. Sometimes, however, past encounters can be satisfying episodes in your life. This dream may also indicate things you have X'ed out within yourself.
To dream about your lover's ex could be that you are trying to live up to their standards. This dream is warning you not to do the same thing you did in a previous relationship.
To dream that you are kissing your ex suggests that there are certain attributes about your ex that you enjoyed. This dream isn't indicating necessarily that you wish to visit the relationship again, but that you should think about what your ex's better qualities or attributes. These are the attributes you are finally coming to acknowledge within yourself.
To dream that your ex has died suggests that the emotions you had for your ex are finally over. You have moved on and he or she is now relegated to your past.
Pan
To dream of a pan represents your perception and point of view on a particular situation. This may suggest the presence of anger and a critical attitude.
To dream of a pan made of glass signifies concern for and awareness of a particular matter.
To see a frying pan in your dream suggests fulfillment in love. On a separate note, your dream may be calling upon you to recognize and accept the consequences of your actions.
Opal
To dream of an opal symbolizes sexual levels and desires. Your dream suggests the need to respond passionately in your romantic affair.
Oval
To dream about an oval shape symbolizes the female sex organ, womb, and other feminine qualities. The oval may also stand for your aura and spiritual might.
Rust
To dream of rust forming on iron or tin implies that you need to take better care of yourself, another person, or a certain possession. It also represents the progression towards the end of life. This dream may symbolize a negative environment which includes loss of wealth or untrue peers.
Wool
To dream of wool represents coziness and warmth. You may be seeking protection from family, friends, or other loved ones.
Opera
To dream of an opera suggests a desire for greater things in life, even to the point of occasional grandstanding.
Steam
To dream of seeing or hearing steam symbolizes your current feelings about a certain circumstance in your life. It could imply that you are stubborn and determined to maintain your position. Perhaps you are harboring feelings of hostility towards a person or situation.
Steel
To dream of steel represents power and intensity. The dream may also be a play on the word 'stealing.'
Sword
To dream that you are wielding a sword symbolizes your determination and drive to succeed. You have high ambitions for your goals and objectives. The sword can also represent the male genitalia and other male aspects.