In pictures: Nigeria's repairmen

Power-cuts are common in Nigeria, often followed by power-surges when generators are turned on.

“Our light [electricity] is not stable and even surge protectors can’t handle it,” says Joshua.

A “pop” sound from your TV or expensive new DVD player could mean you need the skills of a repairman.

But most repairs are only temporary and it might not be long before the smell of burning diodes fills the room again.