fire-resistant insulation
71Structural steel — Various structural steel shapes Structural steel is steel construction material, a profile, formed with a specific shape or cross section and certain standards of chemical composition and mechanical properties. Structural steel shape, size,… …
72Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
73Thatching — is the craft of covering a roof with dry vegetation such as straw, water reed, sedge, rushes and heather, layering the vegetation so as to shed water away from the inner roof. It is probably the oldest roofing material and has been used in both… …
74Apollo 1 — Infobox Space mission mission name = Apollo 1 insignia = Apollo 1 patch.png crew size = 3 command module = CM 012 mass 20,412 kg service module = SM 012 booster = Saturn IB SA 204 launch pad = LC 34 nowrap|Cape Canaveral Florida, USA launch =… …
75Structural engineering — is a field of engineering dealing with the analysis and design of structures that support or resist loads. Structural engineering is usually considered a speciality within civil engineering, but it can also be studied in its own right. [cite… …
76Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… …
77Silicone — Not to be confused with the metalloid chemical element Silicon. Silicone caulk can be used as a basic sealant against water and air penetration. Silicones are inert, synthetic compounds with a variety of forms and uses. Typically heat resistant… …
78PET film (biaxially oriented) — Biaxially oriented polyethylene terephthalate (boPET) polyester film is used for its high tensile strength, chemical and dimensional stability, transparency, reflective, gas and aroma barrier properties and electrical insulation.A variety of… …
79Earthship — An Earthship refers to a passive solar home made of natural and recycled materials. Designed and marketed by Earthship Biotecture of Taos, NM, the homes are primarily constructed to work autonomous and are generally made of earth filled tires,… …
80Framing (construction) — Framing, in construction known as light frame construction, is a building technique based around structural members, usually called studs, which provide a stable frame to which interior and exterior wall coverings are attached, and covered by a… …
