light curelight emitting diodlight fastnesslight scatteringlight shieldlight sourcelight stationlight weight polymer concreteligninlignitelimiting oxygen indexlinearlinear elastic fracture mechanicslinear low density polyethylenelinear opticslinear polymerlinear shaft velocitylinearitylining thicknesslinkagelinninglinseed oillipophilicliquid crystal polymerliquid lattice modelliquid membrane electrodelithographyliving characterliving polymerlixiviationloadload cellload reversalload transfer lengthloadinglocal area networklocal compositionlocal minimumlocalised residual stresslong chain polymerlong chopped fiberslong fiber reinforced compositelong fiber reinforced plasticlong termlongevityloose chain endloss angleloss factorloss moduluslouver