51.   At least half of South African workers joined the strike, according to the Chamber of Commerce.

52.   Authorities in Serbia warned students today against joining the strike.

53.   Bank employees would join the strike after a few days, the federation decided, but no decision was made on precisely when.

54.   Bus workers also joined the strike.

55.   Bus drivers joined the strike Sunday, and oil refineries said they would stop supplying the electric company.

56.   Bus drivers in the region joined the strike to support the truck drivers.

57.   But most private sector employees have not heeded calls by the unions to join the strikes despite isolated work stoppages at some companies.

58.   But many public sector workers workers were avoiding joining the strike, the report said.

59.   But pickets put pressure on public-sector workers to join the strike in sympathy.

60.   But the association called for flight engineers across the country to join the strike, leading to fears more flights may be disrupted.