Cambridge By-law 32-04, s. 1(a) — Noise By-law

"Material Handling Equipment" means any equipment or device designed and intended for use in material handling, including, but not limited to, air compressors, pile drivers, pneumatic or hydraulic tools, bulldozers, tractors, excavators, trenchers, cranes, derricks, loaders, scrapers, pavers, off-highway haulers or trucks, ditchers, compactors and rollers, concrete mixers, graders or other material handling equipment; (b} "Emergency" means an event which occurs, which in the opinion of the Chief Administrative Officer of the City of Cambridge or designate, requires immediate repair or replacement of equipment, services, or facilities or to maintain a required public service or to prevent danger to life, limb or property within the City of Cambridge.

No person shall ring bells, blow horns, shout, make or permit unusual noises, or noises likely