Видео с ютуба Ajantha Pitadeniya

BST Practical | Extraction of papain from Papaya Fruit

BST Practical | Extraction of papain from Papaya Fruit
Ceremonial Wedding - Sri Lanka Navy 2

Ceremonial Wedding - Sri Lanka Navy 2
BST Practical | Production of Sauekraut by using Cabbage leaves | Sinhala

BST Practical | Production of Sauekraut by using Cabbage leaves | Sinhala
Grafting | BST Practical | Sinhala Medium

Grafting | BST Practical | Sinhala Medium
How to prepare a Double Layer Polythene Bag for transporting ornamental fish | BST Practical

How to prepare a Double Layer Polythene Bag for transporting ornamental fish | BST Practical
Digital Thermometer | BST Practical | Item Identification 4

Digital Thermometer | BST Practical | Item Identification 4
Biosystems Technology | Spot Test | Spot Test No 5 - 2024

Biosystems Technology | Spot Test | Spot Test No 5 - 2024
BST Practical | Identifying quality of EGG | Candling Machine | Technology | Sinhala Medium

BST Practical | Identifying quality of EGG | Candling Machine | Technology | Sinhala Medium
Biosystems Technology 2020 MCQ Paper Discussion | BST MCQ A/L 2020 | BST MCQ Q 1 - Q 27

Biosystems Technology 2020 MCQ Paper Discussion | BST MCQ A/L 2020 | BST MCQ Q 1 - Q 27
BST Online Class Day 2 | How to use auto level | Surveying and Leveling | BST Practical

BST Online Class Day 2 | How to use auto level | Surveying and Leveling | BST Practical