Plumbers caulk joints in pipe with lead, string or a caulking compound.管子工用铅 、 绳子或专用填隙材料使管子的接头不漏水.Older windows and doors require maintenance -- scraping, painting and caulking.旧门窗需要一系列维护,诸如, 刮磨, 上漆,勾缝.Caulking and weath...
Make sure the draining board, sink and plug hole are regularly disinfected.滴水板、水槽和塞孔一定要定期消毒。Contaminated instruments and floor surfaces should be chemically disinfected.污染的器材和地面要用化学药物消毒.The ill man's room was disinf...