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The pellicle is far enough away from the mask patterns so that moderate-to-small sized particles that land on the pellicle will be too far out of focus to print. Although they are designed to keep particles away, pellicles become a part of the imaging system and their optical properties need to be taken into account.
Pellicle (cooking), a growth on the surface of fermenting liquids (e.g. SCOBY), or skin of proteins on the surface of meat, fish or poultry, which allow smoke to better adhere the surface of the meat during the smoking process. Pellicle (material), a brand name for a very resistant synthetic material used for covering different surfaces, such ...
Housewrap (or house wrap), also known by the genericized trademark homewrap (or home wrap), generally denotes a modern synthetic material used to protect buildings. Housewrap functions as a weather-resistant barrier , preventing rain or other forms of moisture from getting into the wall assembly while allowing water vapor to pass to the exterior.
Construction management (CM) aims to control the quality of a construction project's scope, time, and cost (sometimes referred to as a project management triangle or "triple constraints") to maximize the project owner's satisfaction.
Traditionally, construction has made use of manual labor such as tradesmen and subcontractors for tasks such as the installation of prefabricated elements. [6] In the industrialization phase, construction uses manufacturing processes and technology to perform off-site prefabrication, assembling building components off-site rather than at the point of installation.
Materials management often gets overlooked, even though successful projects are a result of a successful blend of labour, materials and equipment management. When materials are tracked efficiently project time can be optimized, costs can be saved and quality can be maximized. [3] There is a lack of efficient materials management in capital and ...
EPCM is a services-only contract, under which the contractor performs engineering, procurement and construction management services. In an EPCM arrangement, the client selects a contractor who provides management services for the whole project on behalf of the client.
In an effort to assist industry professionals with the selection of appropriate project delivery systems, construction management researchers have prepared a Procurement Method and Contract Selection Model, which can be used for high level decision making for construction projects on a case-by-case basis. [3]