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loft (attic ) 1. The space in the roof that can be used for storage, or converted to a room inthe roof. 2. A oor of a commercial building, let unfurnished.

long arm Long pole with ing on the end that allows it to be used to manoeuvre overhead

e!uipment, such as roller shutter doors, "elu roof lights, roof vents, or other e!uipment thatis too high to reach.

long oat A at trowel operated b# two people for smoothing screed and concrete.

leat A channel that diverts water to a watermill to provide power.

ledge 1. A hori$ontal platform. 2. The hori$ontal platform at the foot of a window. %. Thehori$ontal timber used to hold the panels in a matchboard door together.

leach To remove something slowl#, t#picall# relating to li!uids. Leachate is the li!uidfrom the decomposing waste in a &land ll.

leaching The process of li!uid solder dissolving a metal coating.

lead A non'ferrous metal, chemical formula (b, that is malleable, ductile, and dense. Lead iscommonl# used in construction in sheet form for roo ng, ashings, and lead sheet cladding.Lead is dense and heav# densit# 11,%** +g m%), but it is !uite corrosionresistant. -t can bebent and folded repeatedl# without failing, which is useful whenforming ashings for roo ng purposes. -t melts at a ver# low temperature of %2 /. -t is alsoallo#ed with tin to form &solder0 this is used mainl# for ma+ing electrical and plumbing oints.

lead-caulked joint lead oint) A t#pe of oint used in cast'iron pipewor+ where moltenlead is poured in to seal and oin the pipes.

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peeling inish such as paint that has not properl# adhered to the surface and has startedto come awa# from the substrate.peen hammer 3tri+ing tool with a rounded end, used for hammering and wor+ing metal.peening 4or+ing of metal using a &peen hammer.

phreatic 3ee groundwater.pile 1. /oncrete column that is driven or bored into the ground0 piles are either endbearingwith the load being transferred to the end of the pile that rests on good loadbearing strata,or friction piles that transfer the loads b# friction along the sides of the piles. 2. The bresthat pro ect from a woven carpet.plumbing 1. 4or+ing with pipes, sanitar# ttings, and lead wor+. 2. 3etting somethingvertical and &plumb.

porch A covered approach to a doorwa# or a small roof placed over the entrance to a

house, the sides of which can be closed in or left open.

pulley A simple t#pe of machine comprising a grooved wheel that a rope or chain runsthrough. 5sed for lifting heav# ob ects.pulley stile The ambs of sash windows that incorporate the pulle#s.

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pump A mechanical device that can move uids and gases.

sca old sca6olding) A temporar# structure that is erected to enable wor+ to be carried outat an elevated level. 3ca6oldings are used to provide access at heights so that walls can beerected, and ceilings, oors, and roofs can be constructed, decorated, and repaired. Theframewor+ provides access for a wor+er, a place to temporaril# store materials, and ifproviding temporar# support, it can act as &falsewor+. "arious sca6olding s#stems e ist,including !uic+ assembl# patent s#stems, tower sca6olds, independent sca6olds, platformsca6olds such as birdcage assemblies, and putlog sca6olds that are partiall# supported b# thebuilding. 3ca6olding was traditionall# made from timber tied or bolted together. The tubes,poles, and standards of toda# are more commonl# aluminium and steel, though in some

countries, bamboo remains a material that is commonl# used.