Where surface coal mining disfigures landscapes, these must be restored imaginatively, creating more work for labourers but also for gardening designers, arborists and the such like.
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However, the recession has played its part in the recent surge in vagrancy in Japanese cities, especially with the collapse in demand for day labourers.
Immigration became an issue in Herndon, a prim little town 1, 700 miles from Mexico, when the local council set up a centre for day labourers.
The church in Shanghai is barely two years old but already has two offspring, one for workers in a multinational company, the other for migrant labourers.
The Austrian move to compensate Holocaust survivors came as a deadline expired for Swiss companies to agree compensation for slave labourers used in their German affiliates during World War II.
Over the past year, as the price of Saudi crude tripled, he doubled visa fees for foreign labourers, introduced a hefty airport departure tax and slashed subsidies on electricity and petrol.
It is still not clear how individual firms' contributions will be decided, or who will negotiate for former slave labourers.
During the 1960s, many Spaniards exchanged a hard life as farm labourers for well-paid jobs in German factories or British restaurants.
There is little or nothing in these promises for the landless labourers.
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Officials say that the plan is to provide alternatives in other areas for the farmers and labourers displaced from Putumayo's coca industry.
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Yet, no sooner had the demonstrators folded up their banners this week than he announced exceptions to the new rule, for farmers and other hard labourers.
"From the money I earned, I was also able to hire labourers, buy clothes for me and my children, buy food, and even afford our local beer, " Ms Mukashyaka says.
The blasts in Amara struck a market and a place where labourers had gathered to look for work.
Drive past a crossroads early in the morning, and you will see Afghan day-labourers sitting on the kerb, waiting for bosses with pick-up trucks who will set them to work shelling pistachios or humping carpets.
The prohibitive expense of urban health care for those not registered as permanent urban residents forces migrant labourers to return to their villages.
Like other Chinese contract manufacturers, Foxconn relies on migrant labourers across the country, who journey home for the most important holiday of the year.
It had issued a decree sacking the Bihar state government for its failure to stem the slaughter of low-caste labourers by private armies of landowners, and imposed direct rule from Delhi.
The ranks of the aggrieved are likely to continue swelling for some time: of the estimated 7.6m wartime slave labourers, the World Jewish Congress reckons that some 500, 000 are still alive.
And for many of China's poorest families, including the children of millions of migrant labourers, finding any school at all can be a problem.
Intending to build a private English kingdom in the Zambian wilds, he shipped out grand pianos and fine wines from the mother country, while local labourers reproduced traditional English furniture from native wood and lugged building materials through the bush for hours.
That changed a lot when the heat of fire was used for boiling water into steam to drive industry, which became large scale and controlled by a few people with countless labourers and employees, whose smaller scale business had come to be totally outcompeted and had no choice but to accept the working conditions that suited these new tycoons.
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