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Transcript of Health Hazards In The Wool Industry

Hazards

Health Hazards In The Wool Industry

•feed rollers and swifts of VARIOUS types of preparatory opening machines (e.g., teasers, willeys, garnetts, rag-grinding machines and so on)

•licker-in or taker-in and adjacent rollers of scribbling and carding machines

•intake between swift and doffer cylinders of scribbling, carding and garnetting machines

•rollers and fallers of gill-boxes

•back shafts of drawing and ROVING frames

•traps between the carriage and headstock of mules

•projecting pins, bolts and other securing devices used on the beaming-off motion of warping machines

•squeeze rollers of scouring, milling and cloth-wringing machines

•intake between cloth and wrapper and roller of blowing machines

•revolving-knife cylinder of cropping machines

•blades of fans in pneumatic conveying systems (any inspection panel in the ducting of such a system should be at a safe distance from the fan, and the worker should have indelibly impressed on his or her memory the length of time it takes for the machine to slow and come to a stop after the power has been cut off; this is particularly important since the worker clearing a blockage in the system usually cannot see the moving blades)

•the flying shuttle, which presents a special problem (looms should be provided with well-designed guards to prevent the shuttle from flying out of the shed and to limit the distance it might travel should it fly).

Various chemicals are used—for example, for degreasing (diethylene dioxide, synthetic detergents, trichloroethylene and, in the past, carbon tetrachloride), disinfection (formaldehyde), BLEACHING (sulphur dioxide, chlorine) and dyeing (potassium chlorate, anilines). The risks include gassing, poisoning, irritation of the eyes, mucous membranes and lungs, and skin conditions. In general, prevention relies on:

•substitution of a less dangerous chemical

•local exhaust ventilation

•care in labelling, storage and transport of corrosive or noxious liquids

•personal protective equipment

•good washing facilities (including shower baths where practicable)

•strict personal hygiene.

As in every section of the textile industry, large machines with rapidly moving parts pose both noise and mechanical INJURY hazards. Dust can also be a problem. The highest practicable form of guarding or enclosure should be provided for such generic parts of the equipment as spur gear wheels, chains and sprockets, revolving shafting, belts and pulleys, and for the following parts of machinery used specifically in the wool textile trade

Noise, INADEQUATE lighting, and the high temperatures and humidity levels required for wool processing may have a deleterious effect on general health unless they are strictly controlled. In many countries, standards are prescribed. Steam and condensation may be difficult to control effectively in dyeing sheds, and expert engineering advice is often needed. In weaving sheds, noise control presents a serious problem on which much work remains to be done. A high standard of lighting is necessary everywhere, particularly where dark fabrics are being manufactured.

Hazards and Their Prevention

particles of matter have forces ACTING between them.this force keeps the particles together.The STRENGTH of this force of ATTRACTION VARIES from one kind of matter to another but coal not.......And particles of CHALK are not tightly packed so it breaks easily

Arun has prepared 0.01% (by mass) solution of SODIUM chloride in WATER. Which of the following CORRECTLY represents the COMPOSITION of the solutions? 

(a) 1.00 g of NaCl + 100g of water 

(b) 0.11g of NaCl + 100g of water 

(c) 0.0l g of NaCl + 99.99g of water 

(d) 0.10 g of NaCl + 99.90g of water

Molar MASS of CO2 is 44.100 g
given P = 10^5
T = 273
R = 8.314
mass = density×VOLUME
volume = RT/P
substitute VALUE and get ANSWER

Like when Newton and that FAMOUS story as to how he discovered gravity – the Apple fell from the tree, however the Apple GREW and was CONNECTED to the tree, and came off naturally, hitting the ground. So what that means is that objects of matter are pulled to the ground with mid force once they have become free. So you can climb the tree and gravity will not pull you and the tree down to earth, but if you come away from the tree and fall, you are gown down!!
So while gravity keeps us grounded on earth, it does something different with the planets, stars, galaxies and the WHOLE universe. Gravity brings and binds everything together, all the way through the cosmos. Think of gravity as like the glue that sticks to the earth and the universe, and helps everything work. Gravity is so special, we cannot do without it. If gravity didn’t exist it would be a very strange universe!

HEYA MATE,

HERE IS UR ANSWER.

THANKS for asking this QUESTION.

Atomic number is used to define the type of element a material or substance is. It is the number of protons PRESENT in an element’s NUCLEUS.

The atomic mass, on the other hand, is the number of both the protons and neutrons present in the nucleus of the element. Electrons do not usually weigh much, so the atomic mass is calculated by adding the number of protons to neutrons. It is also REFERRED to as the atomic weight.

I HOPE IT HELPS U.

What we define as “AIR” is a mixture, because it has many GASES in it. Air is made up of a large number of different gases, but primarily nitrogen(N) at about 78%, oxygen(O) at about 21%, argon (Ar) at about .93%, and CARBON dioxide(CO2) at about 0.03%. The scientific difference between mixture and compound is that a mixture can be separated by physical means, such as breathing or with a jar. Compounds require chemical means to break APART; for example CO2.

I HOPE THIS ANSWER WILL HELP YOU

No of PROTON
AR= 18
N=7
no of NEUTRON
Ar= 19
N=7

Ye KYA LIKHA H ...
SORRY bt samajh ni AAYA

False as MIXTURES are composed of SUBSTANCES which do not UNDERGO chemical CHANGE

Homolytic FISSION. FREE RADICAL MECHANISM

EVAPORISATION will be the ANSWER

actually i see MANY of the following answers here are somewhat misguiding. i THINK my ANSWER is capable to clear your CONFUSION. The third period elements( Na, Mg, Al,Si,P,S,Cl) are called the TYPICAL elements. they are called so because they represent properties of their own group. like if you want to study the properties of group 1, then you must better choose the sodium and U get the clue for others of its family, others are of its type, and hence these elements are called typical elements.

It REFERS to PRINCIPLE QUANTUM NUMBER i THINK so....

As PER FORMULA
no of MOLES = GIVEN mass/Molar mass
so Given mass=0.220Kg
Molar mass=6.6*10^20 Kg
So, 0.220/6.6*10^20 =0.033*10^18
=3.3*10^18

Na2Co3= Na2o+CO2

on CALCULATING this we might get answer 2.08litre.
but, as Na2Co3 is SODA ash and it does not decompose on HEATING and CO2 doesn't involve.
so answer is zero litre

HOPE it HELPS you.

actually its a PIC hope U will MANAGE it

3 BACL2 + AL2(SO4)3 → 3 BaSO4 + 2 AlCl3

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C10H5ClN2, a cyanocarbon, is the defining component of a TEAR gas COMMONLY referred to as CS gas, which is used as a riot control agent.

thats all...

When a chemical reaction takes place, some or all these observations are observed...

I) CHANGE in color

Eg : reaction between lead nitrate and potassium iodide to give potassium nitrate and yellow PRECIPITATE of lead iodide.

ie Pb(NO3) 2 + KI = PbI2 + KNO3
{Colorless}. {yellow}

2) evolution of gas

Eg : the reaction between zinc and sulphuric acid to give zinc sulphate and hydrogen gas.

Zn + H2SO4 = ZnSO4 + H2

Hope this helps... Plz MARK as brainliest..!

Gold is stable. It can not oxidised but IRON is not stable that's why iron not found in NATIVE STATE

Changes were due to displacement REACTION .copper is displaced by zinc.
CuSO4 + Zn - ZNSO4 + CU

A mineral CRYSTAL structure IDENTICAL with that of FLUORITE but with the POSITION of the cations and anions reversed

SN1 is a SLOW reaction which OCCURS with formation of an intermediate and in turn depends on stability of intermediate. TERTIARY carbocation is more stable than 1 degree carbon.
SN2 depends on AMOUNT of +ve CHARGE on position of nucleophile attack. So primary undergo SN2

56/2=28 is the EQUIVALENT MASS

Yes,
EASTER is the organic compund which gives FRUITY SMELL.

The ANSWER to this QUESTION is

Mno2 is OXIDIZING agent but CuO is not.w HEN Mno2 is reacted with HCl CHLORINE gas is obtained but not obtained in case of CuO

It would be LOT better because plastic cause pollution and burning plastic also PRODUCE harmful GASES moreover plastic TAKES atleast 100 to 70 years to decompose

MgO is hard becoz Mg ATOM is more smaller than ca atom nd hence its bond ith o atom will be STRONGER .

hope that it helps u .........mark BRAINLIEST if it's CLEAR

try to paint the EARTH green .....plant more trees nd say others also the same.

In STOICHIOMETRIC compounds  NUMBER of positive & NEGATIVE ions are exactly equal. The defects in these compounds are called stoichiometric defects....

Explanation:

Answer : In gases, there is a large space between the gaseous particles and the particles move at high speeds. This is because of the WEAK intermolecular forces of attraction. The intermolecular forces of attraction are HIGHER in SOLIDS, liquids, and plasma.

Solids
hope it is HELPFUL PLS MARK as

Dear friend,
Here's your answer...
Milk and groundnut oil can be separated by USING SEPARATING funnel. It is the method in which the liquid having low density or LIGHT liquid get separated out first and the liquid having high density or HEAVIER liquid get separated out after that.
Hope it helps you!!
PLEASE mark my answer as brainliest!

1).this is in gaseous FORM
2). to maintain ECOLOGICAL balance between O2 and co2
3).it contain oxygen (o2) oxygen is gaseous

1- Reaction with oxygen-
When any METAL react with oxygen to form metallic oxide. Generally these oxide are basic in NATURE like
2mg+ o2= 2 mgo.

2- Reaction with H2O-
Metal REACTS with H2O to form metal hydroxide nd H2 gas like
2K+ 2H2O = 2KOH + H2O(gas)