Buildings and land improvements
Mesin 8 - 20 Machinery
Peralatan panel pengendali 4 - 20 Control panel equipment
Peralatan dan perlengkapan pengeboran 8 - 16 Drilling rigs and equipment
Peralatan telekomunikasi 5 Telecommunication equipment
Kendaraan bermotor 4 - 10 Vehicles
Leasehold improvements 3 - 8 Leasehold improvements
Peralatan kantor dan lainnya 3 - 5 Office and other equipment
Pesawat terbang 20 Aircraft