Safety and high speeds

should conduct tests without delay. 2. If a satisfactory electrical protection had been available, we should have avoided the accident. 3. It is desirable that all new modes of transport should be economical from the point of view of fuel consumption. 4. Experts insist that the initial cost should be determined before the electrification of the line begins. 5. In case of repairs the catenary is sometimes deenergized (обесточивать) lest any accident should happen. 6. We know that a train should not be admitted to a block section if the track ahead is occupied. 7. The designer should have attached greater importance to the scientific principles in designing his bridge.

Ex.1.

1.Biz boshqarish testlarini kechiktirmasdan o'tkazishni rejalashtirdik. 2.Agar elektr saqlash ko'ngildagidek yaroqli bo'lganida, biz falokatlarning oldini olgan bo'lardik. 3.Transportning barcha yangi tejamkor turlari yonilg'i iste'mol qiladigan turlaridan ma'qul. 4.Ekspertlar yo'l elektrlashtirishni boshlanishidan oldin ilk qiymatni belgilash kerakligini talab qilishdi. 5.Zanjirni ta'mirlashda ba'zida hech qanday falokatlar sodir bo'lmaydi. 6.Biz, agar rels yo'li oldindan band bo'lsa, poyezdlarni blok qismlarga joylashtirilishi kerakmasligini bilamiz. 7.Dizaynerlar o'zlari loyihasini tuzgan ko'priklarida muhim ilmiy printsiplarga juda yaxshi ahamiyat berishgan.

Exercise 2 Define highlighted words meaning and find equivalents them.

(1) For many years speed has been the chief goal for railway engineers in many countries. Numerous tests of newly-designed vehicles show that the possibilities of increasing speeds have not yet been exhausted.

(2) The ER-200 train