Main Distribution Frame (MDF)

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A Main Distribution Frame (MDF) is a signal distribution frame or cable rack used in telephony to interconnect and manage telecommunication wiring between itself and any number of intermediate distribution frames and cabling from the telephony network it supports.

Land Transport Authority (LTA)

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The Land Transport Authority is a statutory board under the Ministry of Transport of Government of Singapore.

They plan, design, build and maintain Singapore’s land transport infrastructure and systems.

Jurong Town Corporation (JTC)

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

It is a state-owned industrial property developer and manager in Singapore.

Inland Revenue Authority of Singapore (IRAS)

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

The Inland Revenue Authority of Singapore is a statutory board of the Singapore Government under the Ministry of Finance of the Singapore government in charge of tax collection.

Invert Level (IL)

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The invert level is the lowest point of the interior surface of a near-horizontal pipe or drain. The PUB regulates the invert levels to ensure proper flow of the wastewater in the sewerage or drainage system.

The finished surface level is known as the ‘top level’.