41. It is debatable whether it is better to apply a bonding agent to one surface or both. 42. Spreading a latex bonding agent in the hole or crack will help hold the cement plug in place. 43. But use the bonding agent anyway. 44. The powdering concrete may cause failure with this, too, but the bonding agent may help keep things together. 45. The pressure forces air out, so that the bonding agent forms a continuous film between the two surfaces. 46. Not all bonding agents require pressure. 47. Another way to join the pieces of plastic together is with bonding agents like solvent, glue or cement. 48. Different plastics require different bonding agents depending upon the plastic itself and the material it will be joined to. 49. If the stucco was applied to wood or plywood, coat the wood or plywood first with a bonding agent . 50. The value of the brand is how it serves as a bonding agent to create and sustain customer loyalty.