Galvanizing of plastics

50⁰⁰ BGN
€ 25⁵⁶ 

10h 21m 26s

Shisharka2020 (153)

Ionic nitriding

25⁰⁰ BGN
€ 12⁷⁸ 

10h 26m 26s

Shisharka2020 (153)

Gas welding and cutting

17⁰⁰ BGN
€ 8⁶⁹ 

10h 31m 26s

Shisharka2020 (153)

Gas flame straightening and forming

35⁰⁰ BGN
€ 17⁹⁰ 

10h 36m 26s

Shisharka2020 (153)

Railway tunnels

95⁰⁰ BGN
€ 48⁵⁷ 

1d 10h 16m

Shisharka2020 (153)

Features in the operation of aircraft

70⁰⁰ BGN
€ 35⁷⁹ 

2d 11h 6m

Shisharka2020 (153)

Building construction

22⁰⁰ BGN
€ 11²⁵ 

4d 12h 11m

Shisharka2020 (153)

About the seas and oceans

10⁰⁰ BGN
€ 5¹¹ 

7d 1h 51m

Shisharka2020 (153)

On the path of Bulgarian town planning

40⁰⁰ BGN
€ 20⁴⁵ 

8d 9h 41m

Shisharka2020 (153)