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.
1 Primary: Involves the retrieval and production of raw materials, such as corn, coal, wood and iron. ( 2 A coal miner and a fisherman would be workers in the primary sector.). 3  Secondary: Involves the transformation of raw or intermediate materials into goods e.g. manufacturing steel into cars, or textiles into clothing.his figure illustrates the percentages of a country's economy made up by different sector. The figure illustrates that countries with higher levels of socio-economic development tend to have less of their economy made up of primary and secondary sectors and more emphasis in tertiary sectors.