Usually these transformers are in vaults below metal grates in the sidewalks. The steel grates between the ring and the cage were also replaced with padding. Behind the griffin statue are three square openings which hold decorative iron grates. The pipework is in place beneath the ornate metal floor grates. The firm manufactured grates, fire irons and so forth. Inside the domes, grates in the floor open and swarms of bees fly out. Periodic inspection and replacement of grates and screens also reduces the risk. The small size of the scales grates the food very finely. The top and back of the device have cooling fan grates. Typical treatment processes consist of grates, coagulation, flocculation, sedimentation, granular filtration and disinfection. This attack can strip certain enemies and open certain grates that are marked. When it grates against nothing, this is the height of emptiness. The problem was mitigated by blocking off the first few feet of the grates. His straightforward and optimistic personality sometimes grates on others. Noel's boundless energy quickly grates on Ted, and confuses Dougal.