A method of constructing synthetic fibre rope where a plaited sheath is layed over a parallel or twisted core. Kernmantle ropes are used with abseiling equipment and emergency rescue lines.
A crane lifted vessel normally used for hoisting and pouring wet concrete.
See body belt.
Damage to a rope indicated by a sharp permanent twist.
A unit for measuring mass (or weight). One litre of water weighs one kilogram. There are 1000kg in a tonne.
A unit for measuring force. One kilonewton is approximately equivalent to a weight of 100kg.
A unit for measuring pressure or stress. One kilopascal is approximately equal to 100kg per square meter.
A diagonal brace used to stiffen a column in a steel structure.