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The stone crushers all around the enterprising Nigerian capital, Abuja, can be viewed as as new agents of weathering, reports Senan Murray BBC News website.

They spend their days deteriorating hard granite to offer to manufacturers - achieve quickly it may well take centuries of nature. aluminum slag crushing

But the job is really difficult and fraught with health hazards.

It is a great one thus to their rocks that feed the voracious construction industry in central Nigeria's fast-growing towns.

Rock Crusher industrious can earn between $ 23 and $ 31 a month.

In a rustic where over 70% on the population endures fewer than One dollar daily, no regular wages of $ 31 can literally save lives.

That pile will be the reaction of couple of days of great work. With two batteries of similar size, the charge could bring Five dollars.

Pause to wipe dust and sweat from his face, 18, Diana Musa says she was crushing stones in Abuja for several years.

His financial resources are used to send my four brothers to university, she said.

I cannot head to school since there is there are not enough money to give us all. small crusher

I recognize that my brothers need education more than me. Once they finished their studies and become better jobs, they look after us. "

Diana works with his widowed grandmother, who tends the stones to be broken.

Anna Dogo, 68, does this work for 13 years. Sometimes when nobody is lucky, we stay to get a month without selling, however when we're lucky and this also doesn't occur usually. we make 2000 Naira ($ 12).

In my day we did not need to pay a visit to school because my parents do not think that education has become helpful. I cann't make that mistake today.

Crushing stones is not a good job, she said thinking about her hands blistered.

I must suffer for my grandchildren don't suffer approximately I do now. coal milling machine

His daughter, who usually works with these, is dealing with a bronchial infection following inhalation of dust from crushed rocks.

None in the women wear clothing to defend them from splinters very likely to hit with a backlash.

I feel deeply sorry to study excellent today. God bless everyone there.

More details, visit it on the BBC.