weighing only a little or less than average
when the machine stops working
a small amount of something that shows you what the rest is or should be like
to gradually become less, worse, or lower
a large cylinder-shaped object that moves very fast by forcing out burning gases, used for space travel or as a weapon
the water pipes and similar systems in a building
a device, often consisting of connecting sets of wheels with teeth (= points) around the edge, that controls how much power from an engine goes to the moving parts of a machine
the pattern of curved lines on the end of a finger or thumb that is different in every person, or a mark left by this pattern
an area of grass, especially near to a house or in a park, that is cut regularly to keep it short
A detached house is not connected to any other building
a large system consisting of many similar parts that are connected together to allow movement or communication between or along the parts, or between the parts and a control centre.
a chemical element that is a common greyish-coloured metal. It is strong, used in making steel, and exists in very small amounts in blood
a structure that divides two areas of land, similar to a wall but made of wood or wire and supported with posts
a space in a wall of a building in which a fire can be lit, with a chimney to take the smoke away
a route or track between one place and another, or the direction in which something is moving