READING SKILLS 6, vocabulary

back·fire     a mistimed explosion in the cylinder or exhaust of a vehicle or engine.

North American

a fire set intentionally to arrest the progress of an approaching fire by creating a burned area in its path, thus depriving the fire of fuel.

Income stream:  any source of regular income (pension, rent from an apartment building…)

stagnation

noun [no plural]   /stæɡˈneɪ·ʃən/

› the fact of staying the same and not growing or developing estancamiento

Forth adverb   /ˈfɔːθ/

› in a forward direction: used mainly in the phrase ‘back and forth’hacia delante

Press)

Tier:   one of several level or layerstiernoun [C]uk   /tɪər/ us   /tɪr/  › one of several layers or levels: We sat in one of the upper tiers of the football stands.My wedding cake had four tiers, each supported by small pillars.I don't understand why you think we need yet another tier of management.

Scope noun [no plural]   /skəʊp/ A the range of a subject covered by a book, programme, discussion, class, etc. alcance, campo I’m afraid that problem is beyond/outside the scope of my lecture.Oil painting does not come within the scope of a course of this kind.We would now like to broaden/widen the scope of the enquiry and look at more general matters.802› the opportunity for doing something posibilidades There is limited scope for further reductions in the workforce.1763› (often with for) the opportunity or chance to do, use or develop oportunidad There’s no scope for originality in this job.› the area or extent of an activity etc alcance Few things are beyond the scope of a child’s imagination.

Tap noun   /tæp/ UK ( US faucet) to knock or touch something gently golpear ligeramente I tapped her on the back to get her attention.