And because it's best to use bleach with a thinner viscosity that will dilute quickly, the best choice for shocking or chlorinating a pool is Clorox Regular Bleach or Ultra Clorox, which has a slightly higher level of sodium hypochlorite.
secondary sector include metal working and smelting, automobile production, textile production, chemical and engineering industries, aerospace manufacturing, energy utilities, engineering, breweries and bottlers, construction, and shipbuilding. The tertiary sector of the economy is the service industry. This sector provides services to the general population and to businesses. Activities associated with this sector include retail and wholesale sales, transportation and distribution, entertainment (movies, television, radio, music, theater, etc.), restaurants, clerical services, media, tourism, insurance, banking, healthcare, and law.
The Construction Industry âº Types of Construction THE CONSTRUCTION INDUSTRY IS divided into two sectors: Non-residential, which has three sub-sectors (heavy industrial, institutional and commercial, engineering), and Residential. Each sector has its own merits with a varied and rewarding range of work projects. You might find yourself: 1  constructing cutting-edge, eco-friendly homes. 2  constructing massive hydro-electric projects like the Niagara Tunnel Project. 3  building state-of-the-art entertainment complexes, like the Edmonton arena, Rogers Place. 4  building a super-bridge, like the Port Mann Bridge.