question: in 1990, dymo expanded its product line to include electronic labelmakers.
Capitalize this past sentence correctly.
A: In 1990, DYMO expanded its product line to include electronic labelmakers.

question: bearing case: high-tensile forged tempered steel, german material no. 1.6540 zinc-plated, blue passivated, 100% electro-magnetic tensile tested.
Capitalize this past sentence correctly.
A: Bearing case: High-tensile forged tempered steel, German Material No. 1.6540 zinc-plated, blue passivated, 100% electro-magnetic tensile tested.

question: but when he had given something, or rather, when someone from his camp had given something, then sefu came and devoured large portions.
Capitalize this past sentence correctly.
A: But when he had given something, or rather, when someone from his camp had given something, then Sefu came and devoured large portions.