Which tool is designed mainly for driving nails?
AnswerA hammer
A hammer delivers blows to drive nails; its claw can also pull them out.
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Repair facts & stats
8 fact-checked facts about home repairs and fixing things, each with the reason behind it. 4 more are in today's round and join this page after it closes.
The basics
On sandpaper, what does a higher grit number mean?
AnswerFiner grit and a smoother finish
Grit numbers relate to abrasive particle size: higher numbers mean smaller particles and a smoother finish.
Going deeper
What is an Allen key used to turn?
AnswerScrews or bolts with a hexagonal socket
An Allen key, or hex key, is an L-shaped bar with a six-sided cross-section.
What is the main job of a flat washer under a nut or bolt head?
AnswerSpreading the load over a wider area
A washer distributes clamping force and protects the surface beneath the fastener.
Superglues are mostly made from which type of chemical?
AnswerCyanoacrylate
Cyanoacrylate adhesives harden rapidly when exposed to small amounts of moisture.
What does a circuit breaker do?
AnswerCuts power automatically when too much current flows
A breaker trips on overload or short circuit to protect wiring, and can be reset.
Expert level
Two-part epoxy glue hardens mainly through what process?
AnswerA chemical reaction between resin and hardener
Mixing the resin with its hardener starts a curing reaction that forms a rigid plastic.
In which city did the first Repair Café, a free community fix-it meetup, open in 2009?
AnswerAmsterdam
The first Repair Café was held in Amsterdam in 2009, and the idea spread to many countries.
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