The workers have to suit up three to four times a day in protective gear.

CNN: Federal funds aim to clean up nuclear wasteland

We had fish food on the boats, and since then we've been feeding them three to four times a day.

NPR: Missing Dolphins Return to Gulf Coast

Because it takes two people to change and lift Thomas, it would need agency carers to come in three or four times a day.

BBC: Living life with Scotland's carers