The manufacture, assembly or storage of products not objectionable
or injurious because of smoke, dust, noise, vibration, odors, glare,
noxious gas, hazardous materials, waste or particulate matter, traffic
hazard or congestion, or fire or explosive hazard. Such materials
would include: cloth, metal, plastic, paper, wood, leather, precious
or semi-precious metals or stones, electronic or electrical instruments
or devices, candy, food products, pharmaceuticals and the like.