| While flails can cut strong stems, a circular saw is recommended for stems over two centimetres. |
| Above their heads, concealed by ceiling panels, was a space of perhaps 50 centimetres containing pipework, ducts and cables. |
| The decks expand by four centimetres, the arch can flex by eighteen depending on temperature. |
| The two main radar booms are 20-metre long hollow cylinders, of 2.5 centimetres diameter, folded up in a box like a concertina. |
| This was replaced in 1956 by a bigger four-stroke engine offering 297 cubic centimetres of raw power. |
| Its leaves are small, thin, slightly hairy, alternate, cordate and two to four centimetres long. |
