Which tool shows with an air bubble whether a surface is horizontal or plumb?
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Spirit level
The bubble must sit exactly between the marks.
💡 Did you know? There are digital and laser versions too.
All questions with answers
What is the tradesperson who builds walls from blocks and mortar called?
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Bricklayer
They lay walls with trowel and mortar.
💡 Did you know? The brick bond gives the wall stability.
What is the smooth levelling layer poured as a base for flooring called?
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Screed
Tiles, parquet or carpet go on top of it.
💡 Did you know? It often holds the underfloor heating.
Which tradesperson covers the top of a building with tiles or slate?
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Roofer
They keep the rain out.
💡 Did you know? A trade with much work at height.
What is the tradesperson who builds load-bearing timber structures like the roof truss called?
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Carpenter
Carpenters traditionally wear black guild garb.
💡 Did you know? Some still journey on the traditional “Walz”.
What is the narrow gap between tiles or bricks that gets filled called?
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Joint
It is filled with grout or silicone.
💡 Did you know? Joints let the material expand and contract.
Which small part is pushed into a drilled hole so a screw holds in masonry?
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Wall plug
It expands as the screw goes in.
💡 Did you know? There are matching plugs for every wall type.
What is the specialist for wiring, sockets and fuses called?
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Electrician
They install and test electrical systems.
💡 Did you know? Electrical work is safety-critical.
What is the layer used to coat rough walls smooth indoors called?
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Plaster
Interior plaster readies walls for paint or paper.
💡 Did you know? Outside, render also protects from weather.
What is the tradesperson who installs water pipes, drains and sanitary fittings called?
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Plumber
They keep the house's pipes watertight.
💡 Did you know? Formally: heating & sanitary technician.
What is the slanted 45° cut with which two strips form a neat corner called?
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Mitre
Picture frames are usually mitre-cut.
💡 Did you know? The mitre saw is made for it.
What is the load-bearing base on which the whole house rests called?
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Foundation
It carries the house's load into the ground.
💡 Did you know? A poor foundation endangers the whole build.
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