1) proprietor 6) breakthrough a) overlook f) support
2) estimate 7) squander b) stable g) evaluate
3) conventional 8) consumption c) compensate h) use
4) face 9) advocate d) traditional i) waste
5) recoup 10) sustainable e) owner j) advance
1) roughly 6) affordable a) hire f) relaxed
2) lay off 7) strenuous b) expensive g) shortcoming
3) surplus 8) skilled c) shortage h) exactly
4) unobstructed 9) boom d) incompetent i) dependant
5) self-sufficient 10) virtue e) slump j) blocked
1. store a) to pass through a system again for further treatment or use or to reclaim for further use
2. by-product b) to close tightly so as to render airtight or watertight
3. assembly c) capable of being maintained at a steady level without exhausting natural resources or causing severe ecological damage
4. insulate d) a one-storey house, sometimes with an attic
5. seal e) a junction of two or more parts or objects
6. bungalow f) to prevent or reduce the transmission of electricity, heat, or sound by surrounding with a non-conducting material
7. shingle g) the process of putting together a number of parts to make a machine or other product
8. joint h) to keep, set aside, or accumulate for future use
9. sustainable i) a thin rectangular tile, esp. one made of wood, that is laid with others in overlapping rows to cover a roof or a wall
10. recycle j) a secondary or incidental product of a manufacturing process