Question: Prepare a hanging drop plate by adding 2 ml of PBS to the hanging drop and receiver plate
Please fix the punctuation.
Fixed: [Prepare a hanging drop plate by adding 2 ml of PBS to the hanging drop and receiver plate.]

Question: When you can help multiple choices
Please fix the punctuation.
Fixed: [When you can help (multiple choices)]

Question: industrial fixed castor from pressed steel plate fitting rubber black roller bearing Wheel 80mm 65KG
Please fix the punctuation.
Fixed: [industrial fixed castor from pressed steel, plate fitting, rubber, black, roller bearing, Wheel- 80mm, 65KG]

Question: Even though temperatures are below 7 C the sunshine is so intense that we have to make shadow using a tarp
Please fix the punctuation.
Fixed:
[Even though temperatures are below -7 C, the sunshine is so intense that we have to make shadow using a tarp.]