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A pressure washer is used to remove old paint from a boat. Patio flagstones being pressure washed using a rotary nozzle. Pressure washing or power washing is the use of high-pressure water spray to remove loose paint, mold, grime, dust, mud, and dirt from surfaces and objects such as buildings, vehicles and concrete surfaces.
The parts washer was a success from the start, and he decided in the early 1960s not to sell his machine, but to lease it to the customer and service it by removing and replenishing the used solvent. Since the early 1990s there has been a significant shift towards aqueous based systems due to the environmental and safety hazards associated with ...
LMD 100 ranks listed companies in Sri Lanka by revenue annually. [10] Amari Wijewardene is the company's chairperson and a member of the Wijewardene family . Wijewardene's appointment as the Sri Lankan High Commissioner to the United Kingdom in 2016 by her cousin, then prime minister Ranil Wickremesinghe was criticised as nepotism. [ 11 ]
Solvent degreasing is a process used to prepare a part for further operations such as electroplating or painting. Typically it uses petroleum , chlorine , dry ice or alcohol based solvents to dissolve the machining fluids and other contaminants that might be on the part.
Shotcrete machines are available which control the complete process and make it very fast and easy. Manual and mechanical methods are used for the wet spraying process but wet sprayed concrete is traditionally applied by machine. The high spray outputs and large cross-sections require the work to be mechanised.
Hydrochloric acid is a common mineral acid typically used for concrete. Vinegar can also be used to clean hard surfaces and remove calcium deposits. Sulphuric acid is used in acidic drain cleaners to unblock clogged pipes by dissolving organic materials, like greases, proteins, and even carbohydrate -containing substances such as toilet tissue.
Tokyo Cement Company (Lanka) PLC is a Sri Lankan cement manufacturing company headquartered in Colombo. The company is engaged in manufacturing Portland cement, Pozzolana cement, tile adhesives and other cement products. [2] Sri Lankan entrepreneur, A. Y. S. Gnanam founded the company in 1982. [3]
The following is a list of attacks on civilians attributed to armed groups under the control of the Sri Lankan government, which includes the Sri Lankan Army, Sri Lankan Navy, Sri Lankan Air Force, Sri Lankan Police Service, state-backed mobs and paramilitary groups (Home Guards, EPDP, PLOTE, TMVP, Ukussa, Black Cats etc.).