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Silicose

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silica is a very hard material

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found in most

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sand rocks, to give you an idea it

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makes up around 60% by weight of

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the entire earth's crust alone or in

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combination with other elements, several

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raw materials contain silica in their

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composition, such as for example, sand,

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quartz, quartzite, granite, clay and

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culin, Quartz is the best known form

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of crystallized free silica, it is the

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main cause of the disease called

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silicosis, mining is a

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potentially dangerous activity because at almost

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every stage of production there is

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emission of dust containing silica in

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civil construction the greatest danger is in

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tunnel excavation operations Canning

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and polishing of facades in the

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ceramics industry the handling of raw materials the

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preparation of masses deburring Drilling turning grinding

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and sanding

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are important sources of dust in

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metallurgy foundry and steelmaking the

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most risky operations are cutting,

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assembly and disassembly of

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ceramic bricks in furnaces, molding and

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demolding in Sand, grinding,

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sanding, polishing and

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abrasive sand blasting, the

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blasting work process using

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dry or wet sand as an abrasive is

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prohibited throughout the national territory.

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Silicosis is a disease caused by the

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inhalation of mineral dust that contains

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variable amounts of silica, which may

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be greater or lesser, and is an

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eminently

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occupational disease. The number of workers

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potentially exposed to

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silica dust in Brazil is high and is concentrated

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in the construction industry. in mining

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and mining and in

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processing industries, such as silicosis is generally

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a slow-developing disease and

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can progress even after the end of

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exposure, some of the cases will only be

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diagnosed years after the worker

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is away from exposure,

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mineral dust containing silica penetrates the

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airways carried by

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airflow When below 2 micrometers, they have

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the potential to deposit in the

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alveolar region where they are phagocytosed by

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macrophages, starting the

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inflammatory reaction that leads to the deposition of

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scar tissue.

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For this, it is enough that

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preventive measures are adopted in the

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workplace and that workers are

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informed about exposure to

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silica. We have two starting points: the

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awareness of the

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employer's businessman and the awareness of the

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worker. Unfortunately, our

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worker is not aware or

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he he is not aware of the risks

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he is taking so he will cut ceramics,

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marble, granite or even move stones

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where he is inhaling the dust and he does not

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have the slightest knowledge of what this

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dust can cause and the damage it can

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cause to his health. To solve this

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problem we have to have machines and

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equipment that produce eh and that already

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bring in their conception solutions

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that combat, for example, dust,

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damp machines that are modern

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national machines and that the

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manufacturers of these machines also

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participate in this a tripartite meeting

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of this tripartite action

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is not as a mere spectator but as

00:04:18

effective participants in the case of marble factories, the adoption

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of the wet process in

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cutting operations with marble saws and finishing

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with sanders can reduce

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dust concentrations in the environment by up to 97%.

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comparison with the dry process,

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the Ministry of Labor and Employment

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issued on March 11, 2008, ordinance

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number 43, which prohibits the dry cutting

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and finishing process of ornamental rocks.

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Work environments where

00:04:49

silica dust may be present must

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be marked by

00:04:53

letters, the respiratory protector

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should only be used as a last form of

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protection while collective measures

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are being implemented in certain

00:05:05

Maintenance and cleaning operations in

00:05:08

operations where control is doubtful

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or inefficient, also as a

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safety measure it should be used until

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improvement o Collective Environmental Control

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the use of the protector must be

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conditioned to the implementation of the

00:05:22

respiratory protection program recommended

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by Funda Centro Since 2002 we have been

00:05:29

involved in the national program to

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eliminate silicosis in Brazil in

00:05:35

line with the proposal of the

00:05:38

World Health Organization and the

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international organization of the work

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that in the year

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95 launched a Global program for the

00:05:47

elimination of silicosis that

00:05:48

essentially aims to prevent the occurrence of the

00:05:50

disease and eliminate silicosis as a

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public health problem, several

00:05:56

countries have already adopted the national program,

00:05:59

including Brazil and they have as a

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characteristic of being long-

00:06:05

lasting programs and which should have an impact from

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2015 onwards, since they have been successful

00:06:12

here in Brazil so far, we have already

00:06:15

achieved some important steps,

00:06:18

such as eliminating the use of

00:06:20

sand in abrasive blasting processes,

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eliminating finishing and

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ornamental stones and the implementation

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of wet rock drilling in the

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mining sector, the State reference center

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for Workers' Health in

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Minas Gerais, which is the former ADP, began

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its activities in

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1984 and over these 25 years it has

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served many workers exposed

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to silica in the service, we

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recently started a data survey and

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so far we have identified around

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10,000 to 1,500 workers who passed

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through there since the inauguration of the service

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initially until around the year 2000,

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most of the workers who went

00:07:12

there belonged to to the formal branch of

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work from So

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workers in the informal market make up

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the majority of workers who appear

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there in the service, the informal market is

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made up in our service

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mainly of lapidary workers and

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miners and in the formal market

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those workers still predominate coming from

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the large gold mining, we

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can see that associated with this

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reversal of the

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employment relationship on that date, which I said in the

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year 2000, we also realize that the

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majority of silicosis diagnoses

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are concentrated in the informal market and, in

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addition, these jobs

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also have the most severe cases of the

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disease,

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category 3 and category 2 of the

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ILO's radiological classification predominate among them, and what's

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more, a worrying fact is that these

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workers are younger, they

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start working younger, they

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get sick younger and they do not have

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assistance from the point of view. of health and

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because of this we realize the great

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importance of the SUS to welcome them and act towards

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monitoring the health of these

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workers, so we have been trying

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for the last 4 5 years in the service to

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develop training programs with

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doctors and health agents

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SUS nurses in order to help them

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detect who these workers are

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exposed to silica in the informal

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work sector, the measurement of crystallized free eyelashes

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indicates the degree of

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contamination of the environment and can indicate

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whether the control measures are efficient

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or not. they can also

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have an epidemiological nature,

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helping doctors diagnose and

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prevent silicosis. Personal hygiene

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is very important, especially in the

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Care of work clothes, which

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can be sources of dust. When they are

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dirty, the company must be responsible

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for washing the clothes. must

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keep a double closet to separate

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common clothes from uniforms, meals are not

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allowed at the

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production site, companies have the duty to

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implement all control measures

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as well as the obligation to inform the

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worker about the risks and their

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respective safety measures

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control, silicosis causes damage

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to the country, the economy and

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especially to thousands of families.

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killing

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workers Funda center working

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for the safety and health of those who work

00:10:29

p

00:10:59

k

00:11:37

k

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