What is plastic deformation?
Plastic deformation is permanent change of shape: once the load is removed, the material does not spring back to its original form.
Rewiring an older house: when your fuse box falls short (and what it costs)

Ready for a heat pump, induction or an EV charger? Here is how to tell if your old wiring falls short, what the regs demand and what a rewire costs.
What is a plasticizer?
A plasticizer is an admixture that makes concrete workable with less water — with the distinction from superplasticizers and practical points to watch.
What is plasticity?
Plasticity is a material’s ability to deform permanently without breaking — in steel, in soil (plasticity index) and in fresh mortar.
What is a ceiling hanger?
A ceiling hanger connects the carrying channel of a suspended ceiling to the structure above — types, spacings and acoustic tips.
What is sheet material?
Sheet material covers building boards such as plywood, OSB, MDF and plasterboard — with standard sizes, selection criteria and working tips.
What is a plate girder?
A plate girder is a welded steel beam built up from separate plates — covering web, flanges, stiffeners and use over long spans.
What is a raft foundation?
A raft foundation is a single continuous reinforced concrete slab under the whole building, spreading load over a large area — uses and pitfalls.
What is the Politiekeurmerk Veilig Wonen (PKVW)?
The PKVW is the Dutch safe housing label for burglary-resistant homes and neighbourhoods, managed by the CCV — requirements, variants and practical tips.
What is rammed earth (pisé)?
Rammed earth or pisé is a technique in which moist earth is compacted layer by layer in formwork into a solid wall — requirements and pitfalls.
