تنقية المياه لأغراض الصناعة والمختبرات - العلوم - الثالث المتوسط - الفصل الأول

تنقية المياه لأغراض الصناعة والمختبرات - العلوم - الثالث المتوسط - الفصل الأول

Vector generated image of chimney:IA chimney is a structure for venting hot flue gases or smoke from a boiler, stove, furnace or fireplace to the outside atmosphere. Chimneys are typically vertical, or as near as possible to vertical, to ensure that the gases flow smoothly, drawing air into the...

Vector generated image of Electric bench Centrifuge:A centrifuge is a piece of equipment, generally driven by an electric motor (but some older models are still spun with hand), that puts an object in rotation around a fixed axis, applying a force perpendicular to the axis. The centrifuge works...

Vector generated image of Electromagnetic Lift: demonstration: Device weighs two pounds but lifts a whopping 200 due to precision machining. Even more remarkably, it uses only one 1-1/2 V D cell battery (not included). Our 45mm diameter cold rolled steel core and yoke are ground to within a...

Painting of Lobster,Clawed lobsters compose a family (Nephropidae, sometimes also Homaridae) of large marine crustaceans. Lobsters are economically important as seafood, forming the basis of a global industry that nets US$31.8 billion in trade annually. Though several different groups of...

Vector generated image of Discus fish,Discus (Symphysodon spp.) are a genus of three species of cichlid freshwater fishes native to the Amazon River basin. Discus are popular as aquarium fish and their aquaculture in several countries in Asia is a major industry.Distribution The three species of...

Painting of Bread Mould:Bread mold is a kind of fungus that is commonly found on bread surfaces. It takes food and nutrients from the bread and causes damage to the surface where it lives. It causes a bad taste to the bread also. But the mold has a place in the industry where it serves as a...

Vector generated Image of Battery Operated Geiger Counter: This unique fully portable battery operated instrument is used:􀁸To detect and count Alpha (high energy), Beta and Gamma particles􀁸To count either continuously or over preset periods of 10 sec, 60 sec or 100 sec.􀁸To measure Rate...

Vector generated Image of Pressure Cooker:Pressure cooking is a method of cooking in a sealed vessel that does not permit air or liquids to escape below a preset pressure. Because the boiling point of water increases as the pressure increases, the pressure built up inside the cooker allows the...

Vector generated Image of Oscillsocope:An oscilloscope (abbreviated sometimes as scope or O-scope) is a type of electronic test instrument that allows signal voltages to be viewed, usually as a two-dimensional graph of one or more electrical potential differences (vertical axis) plotted as a...

Vector Generated Image of Fraction distillation of liquefied air - the producing of oxygen in industry

Vector image of Graphic designer--A graphic designer is a professional within the graphic design and graphic arts industry who assembles together images, typography or motion graphics to create a piece of design.

Vector image of Construction worker--A worker employed in the construction industry and work predominantly on construction sites

Vector generated image of Chengdu J-10--The Chengdu J-10 is a multi role fighter aircraft designed and produced by the People's Republic of China's Chengdu Aircraft Industry Corporation (CAC) for the People's Liberation Army Air Force (PLAAF). Known in the West as the "Vigorous Dragon", the J-10...

Vector generated image of NASA smart plane--Researchers at NASA Langley Research Center are taking the lead to explore these advanced vehicle concepts and revolutionary new technologies. New analysis methodologies are being formulated to model and predict the best locations for sensors and...

Vector Generated Image of Air pollution By Industries:Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or damages the natural environment, into the atmosphere. The atmosphere is a...

Vector Generated Image of Industrial aggregation

Vector Generated Image of Liquid Paraffin wax :Liquid paraffin, or mineral oil, is a mixture of heavier alkanes, and has a number of names, including nujol, adepsine oil, alboline, glymol, medicinal paraffin, or saxol. It has a density of around 0.8 g/cm3. Liquid paraffin (medicinal) is used to...

Vector generated image of Vernier Caliper:Vernier scale, this makes it possible to directly obtain a more precise measurement. Vernier calipers can measure internal dimensions (using the uppermost jaws in the picture at right), external dimensions using the pictured lower jaws, and depending on...

Vector Generated Image of Pearls planters work in a pearl Industry

Technical Training at a Vocational School - Word Study - English - 1st Year Secondary - Term 2

Technical Training at a Vocational School - Word Study - English - 1st Year Secondary - Term 2

Technical Training at a Vocational School - Listening - English - 1st Year Secondary - Term 2

Technical Training at a Vocational School - Listening - English - 1st Year Secondary - Term 2