dunno which unit upstairs is making such a din! they have been drilling dunno what shit since 10am this morning till now.drilling for 5 farking hours and not finish yet.fark.and i think they might not know how to drill.cos they drill and stop and continue drilling then stop again and it repeats again and again..no wonder gotta take so long to drill lar.want to drill then drill at one go lar.the noise produce by you people is damm irritating can.cant you people be more considerate? stupid!