Brick (Issue 9, 2007)

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They are usable across this range as they are lighter than clay bricks. Blocks may be solid, cellular or hollow. The term "frog" for the indentation on one bed of the brick is a word that often excites curiosity as to its origin. The most likely explanation is that brick makers also call the block that is placed in the mould to form the indentation a frog. Modern brick makers usually use plastic frogs but in the past they were made of wood. When these are wet and have clay on them they resemble the amphibious kind of frog and this is where they got their name.

Over time this term also came to refer to the indentation left by them. In England clay bricks can have strengths of up to MPa, although a common house brick is likely to show a range of 20—40 MPa. It was built in or , paved over at some point, and restored in Bricks are used for building and pavement. In the USA, brick pavement was found incapable of withstanding heavy traffic, but it is coming back into use as a method of traffic calming or as a decorative surface in pedestrian precincts. For example, in the early s, most of the streets in the city of Grand Rapids, Michigan were paved with brick.

Today, there are only about 20 blocks of brick paved streets remaining totaling less than 0.

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Bricks are also used in the metallurgy and glass industries for lining furnaces. They have various uses, especially refractory bricks such as silica, magnesia, chamotte and neutral chromomagnesite refractory bricks. This type of brick must have good thermal shock resistance, refractoriness under load, high melting point, and satisfactory porosity. There is a large refractory brick industry, especially in the United Kingdom, Japan and the United States.

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In the United Kingdom, bricks have been used in construction for centuries. Until recently, almost all houses were built almost entirely from red bricks. Although many houses in the UK are now built using a mixture of concrete blocks and other materials, many houses are skinned with a 2. It often involves the empowered developing confidence in their own capacities. Having decision-making power of their own.

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Having access to information and resources for taking proper decision. Ability to exercise assertiveness in collective decision making. Having positive thinking on the ability to make change. Ability to learn skills for improving one's personal or group power.

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Involving in the growth process and changes that is never ending and self-initiated. Increasing one's positive self-image and overcoming stigma The number of people in or available for paid employment also referred to as the workforce or manpower. According to the formal definition of the International Labour Organization, the labour force includes the population 15 years old and over who is employed, unemployed, or seeking employment.

The size of the labour force is affected by many factors.

The population of working age is determined by the school-leaving age and the size of the further and higher education system, as well as the retirement age and pension system. Among the population of working age, the participation rate is affected by the social security system. Health standards affect the proportion of the population which is disabled, and family structure affects how many people stay out of the labour market to care for children and the elderly.

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The availability of childcare facilities affects how many parents are available for part-time work, and the availability of part-time jobs affects how many people can work at all. Past unemployment affects the number of discouraged workers who have effectively withdrawn from the labour force. The labour force is also affected by a country's immigration policy. In an exploitative class society, private ownership of the means of production gives rise to social inequality for women, including job discrimination.

The liberation of women and their full equality with men are possible only with the establishment of public ownership of the means of production and the abolition of the exploitation of one man by another.

With the rise of private ownership during the first stages of the development of class society, female labor became focused on the household and lost the social significance that it had had in the primitive communal system. Women were deprived of their former predominant position in the family, and their lives were restricted to the home. They became slaves to their husbands, on whom they were economically dependent. As the productive forces of society, the cities, and the market exchange system continued to develop, the significance of female labor gradually changed. Women began to participate in the production of material goods.

Their labor, however, remained primarily private, solitary, and domestic for many centuries. During the age of capitalism women actively entered into social production and their labor acquired great social significance. The large-scale employment of female workers characterized the capitalist structure and the era of machine production.

Indeed, it was the use of machines that made it possible to employ female labor extensively. Capitalists found that female workers were essential to fill the need for a labor force and profitable as the source of additional profits resulting from discrimination against them in wages. Low wages for women also led to a wage cut for male workers.

During the age of imperialism the use of female labor continued to increase, and the employment of women in social production rose. In the 20th century women became extensively involved in social production. At the beginning of the 20th century 20 percent of the working population consisted of women engaged in production. However, the growth of the female labor force under capitalist conditions was caused primarily by the economic necessity for women to earn money for themselves and their families.

In exploitative societies the scientific and technological revolution has sharply intensified conflicts involved in bringing the female labor force into production. Female labor is either sought or displaced, depending on the labor market. The general tendency, however, is toward an increase in the number of working women. In many countries the latter figure is even higher. As the use of women labor increased, its structure and the level of qualifications for women changed. According to the International Organization of Labor, the second half of the 20th century will be characterized by decreasing women employment in agriculture and increasing female employment in industry, trade, and services.

The employment of women in new branches of production electronics, electrical engineering, machine building, metallurgy, chemistry, and broadcasting has expanded, and a shift of the women labor force from the textile to the metalworking and machine-building branches of industry is apparent. However, as a rule, the majority of working women hold jobs that require few qualifications.

But in the Bilasipara town 80 percent of the working womenin Brick Industries haveno qualification. In Bilasipara town a number of women workers are employed primarily in the bricks industry. In the absence of economic opportunities where they live, many migrate across the states of India to seek casual employment. Brick production depends almost entirely on migrant workers, half of whom are women. This paper looks into the socio-economic status of women workers in the brick industry of Bilasipara Town and underlines the fact that these workers have a very tough life.

While bearing and rearing children remains their primary responsibility, they are invariably involved in economic activities for survival, thus playing roles in both production and reproduction in Brick Industries. Women began to work in machine building, electrical engineering, the chemicals industry, the manufacture of instruments, and other new branches of industry.

The number of female intellectuals has increased significantly. The continuing increase in the quality of positions open to women is also apparent in other socialist countries. In addition to actively encouraging the employment of women in brick production and helping to raise their qualifications, socialist governments are constantly concerned about improving the conditions under which women live and work. The Program of the CPSU provides for comparatively easy but sufficiently well- paying jobs for women and the elimination of vestiges associated with their unequal position in family life.

Socialist countries also have a complex of governmental measures aimed at improving the protection of female workers. In regulating female labor, Soviet labor and kolkhoz legislation takes into consideration the physiological characteristics of women and the necessity for the protection of maternity and children.

Special guarantees provide for the protection of female workers through the establishment of various labor privileges. In most underground jobs the transportation of heavy loads by women is restricted. Preferential terms of work are provided for women tractor drivers, women operating Indian Streams Research Journal Volume 4 Issue 9 Oct 9.

Supplemental protective guarantees have been instituted for pregnant women and mothers of infants, who may not be hired to do overtime or night work. Paid breaks are provided so that mothers may feed their infants, and women are granted paid leaves-of-absence for pregnancy and childbirth. This struggle will be a long one, and it demands a radical reconstruction both of social technique and of morals.

With active involvement from brick entrepreneurs in Bilasipara the income of the women labour bricks industries increased though they are not higher educated. These female workers helps the owner of the Bricks industries by reducing transportation cost and other cost because if only men are engaged here then the owner has to search again more employee for bricks industries. Here is present some tables and figures show how the women workers play an important role in bricks industries.

Table no 1. Enterprises Total 5 Bricks Industries From the table no 1, it is clear that the total number of labour of 5 bricks industries of Bilasipara is , where is women labour. It shows that the women labour has a very important role in production of bricks in Bilasipara. Enetrprises Figure no 2. Welcome to the Green Bricks Education Society.

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The purpose of our organization is to involve BC youth in sustainable land use and development through curriculum-linked outreach programs. Green Bricks is pleased to offer science-based interactive sustainability workshops, free of charge, to secondary and elementary classrooms across British Columbia. Next one is Saturday March 2, Since , Green Bricks has been has been engaging students through this science based program to understand the importance and benefits of sustainable building issues in their schools and communities.

With this aim luminescence measurements were performed on both polymineral fine grain and quartz inclusion phases extracted from each brick. Magnetic investigations and datings of a brick kiln at Veldbaek near Esbjerg Denmark. Thermoluminescence Dating. Academic Press London pp. An introduction to Optical Dating. Oxford Science Publications Oxford pp. Dating bricks of the last two millennia from Newcastle upon Tyne: a preliminary study.

Radiation Measurements 32 5—6 : — DOI Methodological developments in the luminescence dating of brick from English late-medieval and post-medieval buildings. Archaeometry 49 4 : — DOI Advances in luminescence instrument systems. Luminescence techniques: instrumentation and methods. Radiation Measurements 27 5—6 : — DOI Radiation methods in research of ancient monuments.

Assessing the error on equivalent dose estimates derived from single aliquot regenerative dose measurements. Ancient TL 15— Thermoluminescence dating in architectural history: Venetian villas. Radiation Measurements 33 5 : — DOI Historical buildings: Luminescence dating of fine grains from bricks and mortar. Doserate conversion factors: update. Ancient TL 5—8.

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