máy láng

Người thợ xây dùng máy láng để làm phẳng bề mặt bê tông.

Definition

1. Noun:
   • A trowel or float (tool): A hand tool with a flat, smooth blade, used in construction and masonry to spread, smooth, or shape wet plaster, mortar, or concrete. It is the primary tool for achieving a flat, even ("láng") surface.
   • A polishing or smoothing machine: A mechanical device or machine designed to polish, buff, or create a smooth, glossy finish on surfaces such as floors, metal, or stone.

Usage Examples

• Noun:
  • Người thợ xây dùng máy láng để làm phẳng bề mặt bê tông. (The builder used a trowel to smooth the concrete surface.)
  • Sau khi đánh bóng, chiếc xe được xử lý bằng máy láng chuyên dụng. (After polishing, the car was treated with a specialized buffing machine.)

Advanced Usage

• The term is often used in specific trades. In masonry, it refers to the hand tool. In industrial or automotive contexts, it refers to powered polishing equipment.

Variants and Related Words

• Bàn xoa / Bàn xoa thép: A steel trowel; a specific type of "máy láng" with a steel blade for final smoothing.
• Máy đánh bóng: A polishing machine; a near-synonym when referring to the mechanical device.

Synonyms

• Trowel (for the hand tool).
• Float (for the hand tool, specifically for plaster/mortar).
• Polisher (for the machine).
• Buffer (for the machine).

Notes

• The word is a compound of "máy" (machine/device) and "láng" (smooth, glossy). Its meaning depends heavily on context, shifting between a simple hand tool and a powered machine based on the task described. The French translation "lisseuse" (smoother/polisher) aligns with both meanings.