flexible insulation
71Stethoscope — Modern stethoscope. The stethoscope (from Greek στηθοσκόπιο, from στήθος, stéthos chest and σκοπή, skopé examination) is an acoustic medical device for auscultation, or listening to the internal sounds of an animal body. It is often used to… …
72Tent — For the tetanus neurotoxin (TeNT), see Tetanospasmin. A modern two person, lightweight hiking dome tent; it is tied to rocks as there is nowhere to drive stakes on this rock shelf A tent is a shelter consisting of sheets of fabric or other… …
73Solar hot water — is water heated by the use of solar energy. Solar heating systems are generally composed of solar thermal collectors, a fluid system to move the heat from the collector to its point of usage. The system may use electricity for pumping the fluid,… …
74Glass wool — is a form of fibreglass where very thin strands of glass are arranged into a spongy texture similar to steel wool. Glass wool is used widely as an insulating material.Manufacturing processAfter the fusion of a mixture of natural sand and recycled …
75Natural building — A natural building involves a range of building systems and materials that place major emphasis on sustainability. Ways of achieving sustainability through natural building focus on durability and the use of minimally processed, plentiful or… …
76Earth house — This article is about the modern housing style. For Native American earth lodges, see Earth lodge. Earth house in Switzerland by Peter Vetsch …
77Damp (structural) — For other uses, see Damp (disambiguation). Detail showing some of the causes of damp penetration Structural dampness refers to the presence of unwanted moisture in the structure of a building, either the result of intrusion from outside or… …
78Plywood — Softwood plywood made from spruce Plywood is a type of manufactured timber made from thin sheets of wood veneer. It is one of the most widely used wood products. It is flexible, inexpensive, workable, re usable, and can usually be locally… …
79Building material — For other kinds of building materials, see Hardware, Biology, and Star formation. Concrete and metal rebar used to build a floor Building material is any material which is used for a construction purpose. Many naturally occurring substances, such …
80Professional diving — Hardhat diving redirects here. Often, hardhat diving is used to specifically mean diving in the old type Standard diving dress. A US Navy diver at work. The umbilical supplying air from the surface is clearly visible Professional diving is a type …
