More information. A metamorphic rock is a result of a transformation of a pre-existing rock. The original rock is subjected to very high heat and pressure, which cause obvious physical and/or chemical changes.Examples of these rock types include marble, slate, gneiss, schist.ore information. A metamorphic rock is a result of a transformation of a pre-existing rock. The original rock is subjected to very high heat and pressure, which cause obvious physical and/or chemical changes.
Top Definition. pentacle. The pentacle is a five pointed star within a circle, the points representing the four elements (fire, water, earth & air) and ether (spirit) and the circle represents eternity as most pagans believe in the eight-fold year and the spiral dance.. pentacle. a star inside a circle a pentacle is a symbol that pagans and wiccians use. just like the christians have the cross of crusifix. christians usualy think it is a satanic symbol but it isn't. it is. christian: that is a satanic star.
POLYTHENE TEREPHTHALATE (PET) is a material widely used for packaging, especially drinks containers. It is 90% recyclable and the symbol opposite reminds the consumer of this fact. Hopefully the consumer will place the used packaging in the recycle bin, if he / she can find one.he symbols simply means that the contents will serve 10 portions. This symbol is often found on the packaging for batteries. A dust bin is seen in this symbol. The crossed lines means that the batteries should not be disposed of in a dust bin after they have been used.