They are not above tricking animals out of their foodâone raven will distract the other animal, for example, and the other will steal its food. They have few predators and live a long time: 17 years in the wild and up to 40 years in captivity.
gunite definition, gunite meaning | English dictionary. gunite. n (Civil engineering) a cement-sand mortar that is sprayed onto formwork, walls, or rock by a compressed air ejector giving a very dense strong concrete layer: used to repair reinforced concrete, to line tunnel walls or mine airways, etc. Add your entry in the Collaborative Dictionary.
Gunite bonds perfectly to prepared surfaces such as concrete, brick, rock, tile, stone or steel. Numerous tests have been made which indicate that the bond strength of Gunite exceeds the shearing strength of good quality brick or concrete against which it is applied. Gunite is heat resistant to a high degree and can be made more so by substituting refractory aggregates for part or all of the sand. Gunite is extremely strong, dense, and highly resistant to weathering and many forms of chemical attack.