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Electromegnetic inspection of wire ropes - vertical lift bridges
Recent visual inspections of vertical lift bridges performed by various companies have raised concerns that wire ropes used in the systems established internal and external corrosion and severe external wear where the ropes rub and vibrate against spacers and attachments. The majority of these lift bridges exceed 40 to 50 years in age with some as old as 90 years. With the exception of a few br…
MARKET LEADER: Pre-Intermediate Business English Course Book
Market Leader is the major business English course for tomorrow's business leaders. Incorporating material from the Financial Times(c), it bring business right into the classroom. All the Course Books have self-study CD-ROMS which include video material and interactive case studies. Challenge your students with 'Case Studies' that range from planning a project to choosing the best supplier * Pr…
MAKET LEADER: Upper Intermediate Business English Course Book
LOKASI: Ruang Koleksi Umum Rak: 1
