A 4-litre tin of Zinsser BIN covers roughly 40 square metres of sealed plaster at one coat, enough for a 4 by 5 metre ceiling plus the stained upper wall...
A drawer full of A4 suspension folders can reach 35 to 40 kilograms before anyone notices. Grass...
A 5.1.2 layout in a 20-square-metre room gives you two ceiling speakers, five ear-level speakers,...
A 60kg full-extension drawer loaded with a Henry vacuum, spare filters and a folded step stool...
A 200 to 400 mg elemental magnesium target is the practical number behind many...