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Adapter coupling
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A flexible sleeve used to join a toilet pan outlet to the soil
pipe inlet
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Aerate
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Loosen soil by digging or spiking to allow air to enter the
soil
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Aggregate
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A mixture of small stones of varying size, which form the bulk of
many concrete mixes
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Allen keys
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Strips of hexagonal-shaped hardened metal bent to an L-shape,
used to tighten and loosen special nuts. Available in
sets
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Amps
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A measure of electrical current. In incandescent lamps, amps are
related to voltage and power as follows: Current (Amps) = Power (Watts) /
Voltage (Volts)
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Annuals
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A plant which grows, flowers and dies within a single
season
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Anodised
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Metal treated with a coating of zinc to prevent rusting
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Aphids( Greenfly)
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A pest which infests plants, particularly roses, weakening them by feeding on the plant`s sap
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Arbour
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An attractive garden feature, usually with sides and a roof
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Armoured cable
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Used for outdoor wiring. Two insulated conductors are surrounded
by steel wires which act as the earth conductor. There is an outer sheath of
PVC
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Arris rail
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The triangular rail set between fence posts to which fencing
panels are nailed
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Auger bit(Twist bit)
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A bit with helical twist, centre screw and cutters used with a
carpenter`s brace to bore holes in wood
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Awning
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A type of external blind, usually of
canvas
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