Speaking:

Exercise 6. Give the summary of the text, using key vocabulary and tell about:

1. the area of applying electricity;

2. the dangerous effect of an electric current;

3. the necessity of careful maintenance of equipment;

4. measures being undertaken in terms of malfunctioning equipment;

5. the criteria of safe electric current;

6. the danger in the case of overheating components of machines;

7. the threat to premises because of non proper maintenance of equipment.

Checklist for Section X:

1. How is Infinitive Passive formed?

2. What are the meanings of negative prefixes?

3. What are the results of misusing electrical equipment?

4. What are emergency measures in discrepancy situations?

Section XI

Radiation Safety

Grammar: Indefinite, Continuous, Perfect in Active and Passive (repetition).

Word-formation: suffixes -er, -or.

Speaking: Hazards and precautions in specific areas.

Practise the reading of the words:

ionizing ['aIәnaIzIη]

isotope ['aIsoutoup]

hazardous ['hæzәdәs]

unique [ju:'nI:k]

technician [tek'nI∫әn]

procedure [prә'sI:dჳә]

potential [pә'ten∫al]

jewelry ['dჳuәlrI]

analogous [ә'nælәgәs]

symptom ['sImptәm]

cataract ['kætәrækt]

unfortunately [ʌn'fɔ:t∫nItlI]

Learn the pronunciation and meaning of the words:

acute сильный, острый (болезненный)

torch [tɔ:t∫] паяльная лампа, горелка

thorough [θʌrә] совершенный, основательный, тщательный

mandatory обязательный, принудительный

to pertain иметь отношение к чему-либо

in charge of ответственный за что-либо

prior [praIә] до, ранее

exposure [Iks'pouჳә] подвергание (опасности, риску)

to align [ә'laIn] выравнивать (в одну линию)

primary beam первичный луч

lead foil [led] свинцовая фольга

liner ['laInә] прокладка

intensity интенсивность, напряженность

specular рефлекторный

button пуговица

screw head головка кнопки

goggles защитные очки

to warn предупреждать

absorbing lenses поглощающие (защитные) линзы

range длина

conjunctivitis [kәn'dzʌηktI'vaItIs] конъюнктивит

to swell опухать

to scratch царапать, чесать

incidence охват, сфера действия

chip стружка

Vocabulary development: word building

Суффиксы -er, -or обозначают исполнителя действия или название прибора: adjuster – сборщик; transmitter – датчик, преобразователь.

Samples from the text: laser – лазер; generator – генератор; welder – сварщик; liner – прокладка, подкладка.

Exercise 1. Translate the original and derivative words, using a dictionary and create some new words by adding suffixes:

verb	noun (abstract)	noun (personal)	adjective
to know	knowledge	–	известный
различаться	variety	–	various
to charge	charge charger	charger	chargeable
to register	registration register / registry	registrant registrar	–
to complete	completion	–	complete completive
to review	review	reviewer	–
to mark	mark закладка (в книге)	marker	–
to wear	wear	wearer	–
предписывать	prescription prescript	–	prescriptive
to authorize	authority authorization	authoritarian	authoritative
to align	alignment	–	–
to reflect	reflection reflector	–	reflective
to ionize	ion ionium	–	ionic