11.6 Answer the apprentice's questions.
1. How do I raise the load? - The lifting operation is performed
2. How do I lower the load? - The unloading operation is performed
3. How do I move the load to the left? - Left shift operation is performed
4. How do I mov e the load to the right? - The right shift operation is performed
5. How do I raise the load and move it to the right? - Is raised first and then scrolled to the right
6. How do I lower the load and move it t o the left? - Is unloaded first and then scrolled to the left
11.7 Work in pairs. Imagine you have two crane levers. Take turns to move them. Your partner says what you'r e doing with the load.
Zafar moves the crane to the right and down, now up and up to the left. Xumora it will be easy if I move a little to the left, a little to the right, a little to the right and down.
Cranes
Look at the photos of the two cranes and complete this conversation.
A: What are the differences between the two cranes?
B: The crane on the left is a tower crane. The operator sits in a cab.
Near the top of the load hook. There's a counterweight
behind the cab. The load is on the other side of the jib. The operator uses the winch and block to lower or raise the load
A: I see.
B: The crane on the right is a mobile crane. The operator's cab is near the ground. The operator extends or retracts the hook, or moves it from left to right or up and down. Both cranes use stabilisers or outrigger and counterweights to maintain stability.
A: OK. Thank you.
Write the opposites.
Lengthen - Shorten
Lower - Higher
Left - Right
Match 1-5 to a-e to make expressions about cranes.
The operator went out to his cabin to operate the crane.
Adjusting the extension cabinet, he began his work.
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